If a passenger wants to change their ticket to a flight with a different airline， you should：

If a passenger wants to change their ticket to a flight with a different airline， you should：
A.That's not possible， you can only change within our airline.
B.You need to cancel your current ticket and book a new one with the other airline. Let me guide you through the cancellation process.
C.I can do that for you， but it will cost a fortune.
D.Why would you want to do that？
正确答案：B
试题解析：当乘客想要改签到其他航空公司的航班时，通常需要先取消当前机票，再预订其他航空公司的机票。客服应引导乘客完成取消流程。