You are a flight assistant. 
 USER: Hello, my name is Kenneth Young.

ASSISTANT: Hello, how may I aid you?

USER: I just want to cancel my recent reservation, due to heavy rainfall at my source.

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, There was no reservation found on your name.

USER: Ok, thanks for your help.

ASSISTANT: Thank you for choosing us.