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Start with the least identifying information: the airline or booking channel, flight number and date, origin, destination, what went wrong, any connection constraint, and the outcome you want. That is usually enough for an AI tool to explain options. Give a booking reference or contact detail only to a verified airline or booking service that needs it to locate or change your reservation. Do not send passport scans, payment-card numbers, passwords, one-time codes, or an unredacted booking screenshot to a general chatbot.
What passenger data should I share with an AI travel assistant?
The safe default is to describe the trip and the problem before identifying yourself. A useful first prompt can be answered from itinerary facts that do not uniquely authenticate your reservation.
Begin with a minimum useful prompt
- Airline, railway, coach operator, or booking channel involved.
- Flight or service number and travel date.
- Departure and arrival airports or stations.
- The disruption: cancellation, delay, missed connection, denied boarding, or a baggage problem.
- Any hard constraint, such as a same-day meeting, accessibility requirement, visa timing, or a connection that cannot be missed.
- The result you want, such as the earliest practical arrival, a refund explanation, or a list of official alternatives.
For example: My flight AB123 from Madrid to Helsinki on 22 October is cancelled. I must arrive by 18:00 because of a separate train. What official rebooking or refund options should I ask the airline about? This gives an advisory system enough context to organize questions without exposing a reservation locator.
Add only facts that change the answer
State whether the ticket was bought directly or through an agency, whether all segments are on one booking, and whether you have already accepted an alternative. Mention a companion only when that relationship affects the requested option. Do not add a companion’s full name, contact details, or ticket number merely to provide context.
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Keep high-risk fields out of the first prompt
- Passport, identity-card, residence-permit, or visa scans.
- Payment-card numbers, bank details, security codes, and account passwords.
- One-time login or verification codes.
- Full booking-document screenshots showing names, ticket numbers, barcodes, phone numbers, email addresses, or payment information.
- Another passenger’s personal information unless it is genuinely needed and that person has authorized its use.
Data-minimisation guidance from the European Data Protection Board (EDPB) says organizations should collect only what is necessary for a stated purpose, explain how it is used, secure it, keep it accurate, and remove it when it is no longer needed. See the EDPB’s basic principles and data-protection basics. These are principles for covered processing, not proof that every AI service follows them.
Is it safe to give an AI my flight booking reference?
A booking reference, record locator, or confirmation code can help an authorized service find your reservation, but it is personal information. Treat it as an access-related identifier, not as harmless background text.
Decide by the task and the operator
| What you want to do | Information to start with | When a booking reference may be appropriate | Preferred channel |
|---|---|---|---|
| Understand disruption options | Operator, service number, date, route, disruption, and desired outcome | Usually unnecessary | General AI advice can remain non-identifying; verify every option with the operator |
| Locate your reservation | Travel details plus the reference and a matching contact detail | Only after confirming the service is operated or authorized by the airline or booking provider and stating the exact purpose | Official airline or booking-provider website, app, or contact channel |
| Change, refund, or rebook a ticket | Reservation details required by the authorized workflow | Needed only for the specific transaction and authentication the provider requests | Authenticated official account or verified support process |
Before entering the locator, check the domain or app publisher, the provider’s relationship with your booking, the reason for each requested field, and the current privacy notice. A general chatbot has no inherent authority to alter a ticket simply because it can read a code. If the service cannot explain who receives the data, how long it is retained, or how to correct or delete it, keep the conversation non-identifying and contact the carrier directly.
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An AI answer that repeats your itinerary is not a booking action. A change is complete only when the airline or authorized booking provider displays a confirmed itinerary, ticket or reissue number, and any payment or fare conditions that apply. Check the booking in the official channel before cancelling a backup or travelling to the airport.
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Should I upload my passport or boarding pass to an AI chatbot?
Normally, no. Identity documents and boarding passes contain more data than an advisory tool needs and may include machine-readable codes. A short text description is safer than uploading a whole document.
Use text instead of an image
If the question concerns a seat, connection, or disruption, type the relevant fact: for example, the airport, scheduled time, and whether the segment is on one ticket. Do not upload a passport to prove nationality or a boarding pass to prove a flight unless a verified operator’s process explicitly requires it.
If a screenshot is genuinely required
- Confirm that you are in the official airline, agency, or insurer workflow and understand why the image is needed.
- Crop to the smallest area that answers the question.
- Redact unrelated travelers’ names, contact details, ticket numbers, frequent-flyer numbers, payment data, barcodes, QR codes, and unused itinerary segments.
- Check the redaction by reopening the saved image; painted-over text that remains selectable or visible through transparency is not redacted.
- Delete the temporary cropped file and the chat attachment when the task is finished, subject to any record you are required to keep.
Never send another passenger’s document or identifying details without a clear need and that person’s permission. A statutory passenger-information list illustrates why official processing must be separated from consumer chat: Regulation (EU) 2025/13 covers defined official processing and includes names, dates of birth, sex, nationality, travel-document details, a passenger-name-record locator, and flight data. It also addresses security, encryption, notices, and handling for that legal purpose. It is not an instruction to provide every listed field to a consumer AI tool. Read the regulation at EUR-Lex.
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Some airline-authorized systems may support account-specific disruption work, while a general AI assistant may only explain choices. The capability depends on the provider, your booking channel, authentication, and the carrier’s rules; do not infer authority from an AI-style interface.
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Separate advice from an authorized transaction
- Advice: the system summarizes possible routes, deadlines, or questions to ask. It should not receive a locator unless a defined, verified purpose requires it.
- Action: an airline or authorized agent authenticates you, accesses the reservation, presents fare and schedule consequences, and records the change in the carrier’s system.
- Confirmation: you receive a carrier or authorized-provider confirmation showing the resulting itinerary. Until then, treat the AI response as a suggestion.
Use this cancellation workflow
- Open the airline or booking provider’s official app or website independently, rather than following an unverified link in a chat.
- Read the disruption notice and note the stated deadlines, available rerouting, refund, and assistance choices.
- Use a general AI tool, without identifiers, to compare the wording of those choices or prepare questions.
- If you choose an online rebooking, sign in through the verified channel and provide only the fields that workflow requests.
- Review every segment, date, airport, passenger, baggage or seat condition, fare difference, and refund consequence before accepting.
- Save the official confirmation and verify the new itinerary in the carrier’s account or booking lookup.
An airline privacy notice can show how one carrier handles this boundary without establishing a universal rule. easyJet says it uses personal data to support rebooking, changing, or refunding travel during disruption and that some processes use automated technology potentially assisted by AI; it also says a person reviews a decision before a decision with legal effect is made. Read its example notice at easyJet’s privacy page. Other carriers may use different systems, reviewers, and retention periods.
Check passenger rights in the correct jurisdiction
Passenger rights depend on the country, transport mode, itinerary, operating carrier, and facts. The European Commission’s passenger-rights overview describes information, rerouting or rebooking, assistance in some circumstances, and compensation under specified conditions; it does not make every remedy universal.
On 15 June 2026, the Commission announced a political agreement revising EU air-passenger rules. The announcement says revised rules apply after formal adoption and publication in the Official Journal, followed by 12 months. Do not present the agreed revisions as already operative until those publication and application dates are confirmed. See the Commission’s 15 June 2026 announcement.
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How do I judge an AI recovery service before sharing data?
Read the current privacy notice before entering a locator or contact detail. A trustworthy notice should let you answer the following questions in plain language.
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Operator and purpose
- Who operates the tool, and is it the airline, your booking provider, or an independent service?
- What exact action requires each field?
- Will data be sent to the airline, an agency, a cloud host, or other vendors?
- Is the tool advising you, or is it authorized to access and change a reservation?
Retention and model use
- How long are prompts, attachments, identifiers, and support records kept?
- Are conversations used to improve or train a model, and can that use be disabled?
- What happens when you close the account or request deletion?
- What security controls protect data in transit and at rest?
Accuracy, human review, and contact
- How can you correct an inaccurate itinerary or personal detail?
- Is a human available for a disputed or legally significant decision?
- How do you contact the provider about privacy requests or a suspected exposure?
The EDPB states on its legal-basis guidance page: “Before processing individuals’ data, organisations must identify a legal basis under the GDPR.” Read the EDPB legal-basis guidance. A legal basis requirement applies to organizations covered by the GDPR; it is not a certification of any particular AI product.
What privacy risks are specific to AI travel chats?
An AI assistant may combine your prompt, uploaded files, account data, conversation history, safety logs, and vendor processing in ways that are not obvious from the chat screen. The EDPB-hosted Support Pool of Experts report on LLM privacy risks and mitigations discusses a travel and schedule-management assistant use case. The page identifies the report as work by external contractors whose views do not necessarily represent the EDPB’s official position, so use it as risk context rather than binding guidance.
Practical controls follow from that uncertainty: keep the first prompt non-identifying, avoid documents, turn off optional history or model-improvement settings when available, use an official authenticated channel for account actions, and remove attachments and chats after the task. A provider’s notice, not a generic AI label, determines its actual retention and sharing practices.
How do I delete my travel details from an AI app?
Deletion controls differ by provider, so follow the service’s current instructions rather than assuming that closing a chat erases every copy.
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- Record the conversation or confirmation number you need for travel, without retaining unnecessary personal data.
- Delete the chat, uploaded files, saved itinerary, and connected travel account from the app’s history or privacy settings.
- Disable optional conversation-history, personalization, or model-improvement settings if the service provides those controls.
- Revoke the app’s access from the airline, booking account, email account, or device where you connected it.
- Read the privacy notice for the provider’s retention period and deletion exceptions.
- Submit a deletion or erasure request through the provider’s stated privacy contact, identifying the account or conversation without sending new documents unless required.
- Ask what was deleted, what must be retained by law or for security, and when deletion will occur.
- Monitor the official booking account and contact the airline directly if you suspect that a locator, password, or payment detail was exposed; change compromised credentials and replace one-time codes rather than sharing them again.
Where the GDPR applies, the EDPB’s data-subject-rights overview describes rights including information, access, rectification, erasure, restriction, objection to certain uses, portability, and safeguards concerning decisions based solely on automated processing, subject to applicable conditions. These rights are not identical in every country or context, and erasure does not necessarily remove records that a provider must lawfully retain.
A practical decision checklist
- Need advice? Describe the route, date, disruption, constraints, and desired outcome; omit identifiers.
- Need a reservation lookup? Verify the operator and purpose, then use the official airline or booking-provider flow.
- Need a transaction? Authenticate through the carrier or authorized agent, review every consequence, and wait for official confirmation.
- Seeing a document request? Ask why it is required; prefer typed, minimal data and crop or redact any necessary image.
- Terms unclear? Do not provide the locator or contact detail; call or message the airline through its published channel.
- Task finished? Delete chats and attachments, revoke connections, and use the provider’s documented privacy request process.
Examples of safer prompts
Option finding without identification
My one-ticket itinerary from Toronto to Lisbon via Madrid on 8 November has a cancelled first segment. I need to arrive before noon on 9 November. Explain which rerouting, refund, and assistance questions I should raise with the carrier.
Checking a provider’s request
This service asks for my booking locator to display alternatives. What should I verify about the operator, purpose, retention, sharing, deletion, and confirmation before I enter it?
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I have a boarding pass showing a 90-minute connection at Frankfurt. I removed the barcode, name, ticket number, contact details, and other passengers. Is the connection time likely to require checking the airline’s minimum-connection rules?
Frequently Asked Questions
Should I share a travel companion’s name so the AI can keep us together?
Only if an authorized booking workflow specifically needs it and the companion has agreed. For general advice, describe the number of travelers and the seating or rebooking requirement without naming them.
Does a GDPR deletion request guarantee that every copy of a chat disappears immediately?
No. The right to erasure is subject to applicable conditions and lawful retention exceptions. Check the provider’s notice and ask what records remain and for how long.
Can passenger-rights information from an AI replace the airline’s disruption notice?
No. Use the AI response to prepare questions, then rely on the operating carrier or booking provider for the current offer, deadline, and confirmed transaction.
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