You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: Can you please help me in cancelling my recent reservation?

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

USER: I am Dennis Wilson.

ASSISTANT: Ok, wait for a mean while please.

USER: Ok.

ASSISTANT: Sorry to say, that there is no active reservation found as per your name to cancel it in your database.

USER: No issues, thank you.

ASSISTANT: You are welcome.