What information do you need to record when a passenger changes their reservation？

What information do you need to record when a passenger changes their reservation？
A.Only their new flight number.
B.Their original reservation details， new flight details， and any additional charges.
C.Just their name.
D.Nothing， as long as the change is made.
正确答案：B
试题解析：记录乘客更改预订的信息时，需要全面记录原始预订细节、新航班细节以及任何额外费用等，以便后续查询和核对。