You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Raymond Davis, I want to cancel my reservation due to cancel of my client meeting.

ASSISTANT: Sure, we are here to help you. Just give me a minute.

USER: Sure.

ASSISTANT: Thanks for being waiting. Unfortunately, there is no reservation found on your name.

USER: No problem, thank you for your service.

ASSISTANT: Thanks for reaching us, have a nice day.