You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Steven Moore.

ASSISTANT: How may I assist you at this moment?

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

ASSISTANT: Sure, I am gleeful to help you with that. Please wait a moment to check your previous reservation status.

USER: Ok.

ASSISTANT: We regret to inform you that, there is no reservation on your name in our records.

USER: it's Ok, thanks for your assistance.

ASSISTANT: Thank you for choosing our services, have a great day.