You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Gregory Wright. Would it be possible to cancel my reservation, which I have done with my name?

ASSISTANT: Sure, I am here to help you. Please wait for a moment to check your details.

USER: Sure, take your time.

ASSISTANT: Sorry to say, there is no reservation found on your name.

USER: It's ok, not an issue. Thanks for your information.

ASSISTANT: Thank you for reaching us, have a nice day.