You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you? Welcome to our booking agency.

USER: I would like to cancel my recent reservation, could you please help me out?

ASSISTANT: Sure, may I know your name please for further process?

USER: My name is Larry Phillips.

ASSISTANT: Ok, please wait for a mean while.

USER: Sure.

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

USER: Ok, no problem, thank you for your information.

ASSISTANT: You are welcome.