A passenger wants to change their ticket to a flight with a different departure airport. What information do you need to gather？

A passenger wants to change their ticket to a flight with a different departure airport. What information do you need to gather？
A.The passenger's reason for changing the airport.
B.The new departure airport， availability of flights from that airport， and any potential fare or schedule changes.
C.The passenger's favorite airport.
D.The number of times the passenger has traveled from the new airport.
正确答案：B
试题解析：当乘客想要改签至从不同出发机场起飞的航班时，客服需要了解新的出发机场，以及从该机场出发航班的座位可用性。