What is the passenger doing now?
A. He is checking in at the airport.
B. He is going through the security check.
C. He is booking a flight ticket.
Where is the passenger flying ?
A. Berlin.
Bangkok.
C. Moscow.
What is the passenger's flight number?
A. SQ 821.
B. SU 574.
CA 1849.
How many pieces of baggage does the passenger have to check in ?
A. Two.
B. One
C. None.