Hello.
Hello, how can I be a help for you?
Actually my business meeting is cancelled so that  I want cancel my recent reservation, can you help me?
Sure, may I know your good name please?
Sure, I am Pamela Moore.
Please wait for a moment.
Sure.
Sorry, there is no reservation found on your name to cancel.
Ok, thank you for your information.
You are welcome. Have a good day.