You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you at present?

USER: Sharon Green here. I want to cancel my ticket due to snow storm in my place.

ASSISTANT: Sure, we are here to help you with cancellation.

USER: Ok.

ASSISTANT: Please wait for a while, I will check and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting, there was no reservation found on your name to cancel it.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.