You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Rachel Lee, I want to cancel my reservation due to cancel of interview.

ASSISTANT: Ok. Please wait a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: There is no reservation on your name.

USER: No problem, thank you for your service.

ASSISTANT: Thanks for choosing us.