You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name please?

USER: My name is Mark Jones.

ASSISTANT: OK, Jones what can I do for you?

USER: There is a business meet in my office, so I want to cancel my recent flight ticket booking, could you help me in that ?

ASSISTANT: Sure, please wait a while, I will verify for the existing reservation.

USER: OK.

ASSISTANT: Sorry Jones, I didn't find any reservation with your name in the system data.

USER: OK, thank you for providing the information.

ASSISTANT: Thank you for consulting us and I hope you visit us again in the future.

USER: Sure.