Check-in agents check passengers onto flights and ferry crossings, take their tickets and luggage, and give them boarding passes, or assist them to use self-check systems. If they work in an airport, they may also meet and dispatch aircraft.
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Airline staff will need to check your passport either at the time of check-in or at your gate. To check in at a kiosk you will need one of the following: Confirmation number (usually sent via email if ticket is purchased online or through a travel agency) Credit card used for payment of the ticket.