What is the passenger's flight number?
A. SQ 821.
B. SU 574.
CA 1849.
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How many pieces of baggage does the passenger have to check in ?
A. Two.
B. One
C. None.
What kind of seat does the passenger prefer?
A. Window seat.
B. Aisle seat.
C. Front seat.
The passenger has two boxes to check in.
A. 对
B. 错
The passenger is holding a first class ticket.
A. 对
B. 错