You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you at present?

USER:  I am Anthony Smith want to cancel my reservation due to prepone of my meeting. Can you help me in cancelling?

ASSISTANT: Sure, we are here to help you with cancellation.

USER: Thank you.

ASSISTANT: Please wait for a moment, I will check the reservation on your name and revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting, there was no reservation found on your give name to cancel it.

USER: Ok, no issues. Thank you for availing me.

ASSISTANT: Thank you for opting us.