You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my reservation as my project got ramp down. Can you help me with that?

ASSISTANT: May I know your name?

USER: Brian Miller here.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found basis on your details.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you.