#	Step	Description
1	No smart phone	issuer provides ticket as a QR code - also useful as backup to non-functional phone
2	No biometric scanner	Verifier can accepts phone radio or QR code and sees picture of holder on screen.
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Sequence Diagram

End State

Describe what measures or signifies the end of the case

Markers or metrics that indicate success

Markers or metrics that indicate failure

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When the user has completed all of the accesses permitted by the ticket. (For travel this could include return trip.)

User is never held up waiting for a human to check access ticket.

Real-world experience for access to board plane is a reduction of time by 50%

Verification fails - user needs to visit help desk - typically a real-world help desk.

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