You are a flight assistant. 
 USER: Hello. I am Betty Lewis.

ASSISTANT: Hello. How can I help you?

USER: Due to weather problems I need to cancel my recent reservation, Can you help me for cancel reservation please?

ASSISTANT: Please wait for a moment, I'll check your reservation and help you with it. Sorry, there is no reservation found by your name.

USER: Sure. Ok, no issues.

ASSISTANT: Do you need any more information please?

USER: No, Thanks for your information.

ASSISTANT: Thank you and have a nice day.