You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my reservation, due to some personal problems. Can you please cancel my reservation?

ASSISTANT: Sure, may I know your good name please.

USER: Sure, I am Amy Thomas.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, no reservation found with your name to cancel.

USER: Ok, Thank you for providing information.

ASSISTANT: Thanks for approaching us.