You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know your name please?

USER: Myself Scott Mitchell. I just want to cancel my reservation. Please help out with that.

ASSISTANT: Yes Scott, how can I help you for today? Sure, please give me some time to check the details.

USER: OK.

ASSISTANT: Sorry, there is no reservation on your name.

USER: Thank you for the information.

ASSISTANT: Thank you have a nice day.