You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I'm Jeffrey Robinson. My business meeting has cancelled. So, I would like to cancel my reservation.

ASSISTANT: Sure, I will help you with the cancellation of flight reservation. I have searched online but I could not find your flight reservation to cancel it.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you.

USER: You are welcome.