You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Mary Wilson here. I want to cancel my ticket due to snowstorm in my place.

ASSISTANT: Sure, please give me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found for the user name in our back to help you in cancellation process.

USER: No problem, thank you.

ASSISTANT: You are most welcome and thank you for reaching us.