You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you now?

USER: I want to cancel my reservation, because I have some another important work on those dates, can you please cancel my reservation?

ASSISTANT: Sure, I will help you with that.

USER: Thanks.

ASSISTANT: May I know your name please?

USER: Sure, my name is Stephanie Carter.

ASSISTANT: Sorry for the inconvenience, there is no reservation found on your name.

USER: Oh! It's ok no problem, thank you for your information.

ASSISTANT: Thank you for approaching us, have a nice day.