You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Robert Harris here. I want to cancel my ticket due to snow storm in my place.

ASSISTANT: Ok, I can help you in cancelling your ticket. Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, we did not find any active reservation on your name to cancel.

USER: No problem, thank you.

ASSISTANT: Thanks for reaching us, have a nice day.