You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation because of heavy snowfall at my destination point.

ASSISTANT: Sure, I am at your service. To proceed further, may I know your good name please?

USER: I am Justin Carter.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for being so patience, but there is no reservation found on your name.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a good day.