You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you today?

USER: Help me in cancel my reservation?

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: I am Gregory Scott.

ASSISTANT: Ok, please wait for a mean while.

USER: Ok.

ASSISTANT: Sorry Scott, there is no reservation found as per your name to cancel it.

USER: That's ok, thank you.

ASSISTANT: You are welcome.