You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am Cynthia Carter. Can you help me in cancelling my recent reservation?

ASSISTANT: Sure Cynthia, I am here to help you.

USER: Thank you.

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

USER: It's ok, no problem. Thank you.

ASSISTANT: You are welcome.