You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation, due to heavy snow fall from couple of days at my destination. Can you assist me with cancellation?

ASSISTANT: Sure, can I have your name please?

USER: Sure, my name is Donna Wilson.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

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

USER: That's Ok, thanks for your response.

ASSISTANT: Thank you for opting us.