You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Due some crisis are going in my existing location, can you do some changes in my reservation?

ASSISTANT: Sure, may I know your name please? As it is important to know your name to change the reservation.

USER: Myself Christine Baker.

ASSISTANT: Sorry Baker, there are no flights available on your name.

USER: That's ok, no problem.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Thank you for your help.