Hello, Mark Thomas here.
user
Hello, what can  I do for you?
assistant
At last minute my meeting got cancelled which is scheduled earlier, I made a booking earlier for that meeting. Can you help me in cancelling my ticket?
user
Sure. Thanks for waiting.
assistant
Ok.
user
You have no reservation found with your name.
assistant
Ok, no problem. Thanks for the information.
user
Thank you for opting us.
assistant