You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I support you today?

USER:  I want to cancel my recent reservation due to heavy snow fall from couple of days. Can you help me in cancellation of my ticket?

ASSISTANT: Sure, may I know your good name please?

USER: Thank you. I am Daniel Allen.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, no reservation found with your name to cancel.

USER: Oh! I think it does not reserved properly. Anyway, Thanks for the effort.

ASSISTANT: Thanks for approaching us.