You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I'm Frank Martin. I have cancelled all my recent plans due to bad climate in my destination place, can you please cancel my existing reservation?

ASSISTANT: Ok, wait for a minute. Sorry Martin, no reservation found on your name.

USER: Ok, fine. Thank you for your information.

ASSISTANT: Thank you for approaching us.