You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Due to a sudden meeting at office with my client on my boarding day, I want to cancel my recent reservation. Can you help me with that?

ASSISTANT: Sure, we are here to help you. May I know your good name to proceed further?

USER: Sure, my name is Paul Perez.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, There was no reservation found on your name.

USER: That's Ok, thanks for your help.

ASSISTANT: Thank you for choosing us.