You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER:  I want to cancel my recent reservation due to heavy rainfall at my source point. Can you help me out?

ASSISTANT: Sure, may I know your name please?

USER: I am Jerry Jones.

ASSISTANT: Ok, please be on hold. Sorry, we could not find any reservation on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for approaching us.