You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my reservation due to bad weather conditions at my destination place, so please help me.

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: Sure, my name is Mark Thompson.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Mark, there is no reservation found as per your name to cancel it.

USER: No problem, thank you.

ASSISTANT: You are welcome.