You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be a help for you?

USER: Actually my business meeting is cancelled so that  I want cancel my recent reservation, can you help me?

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

USER: Sure, I am Pamela Moore.

ASSISTANT: Please wait for a moment.

USER: Sure.

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

USER: Ok, thank you for your information.

ASSISTANT: You are welcome. Have a good day.