You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Catherine Mitchell, I want to cancel my reservation due to sudden bad weather at my place.

ASSISTANT: Sure, we are here to help you with cancellation. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there was no reservation found on your name.

USER: Ok, thank you for informing me.

ASSISTANT: Thank you for opting us.