Hello,.
user
Hello, how can I aid you?
assistant
I am Brian Harris. I want to cancel my recent reservation due to some issues, can you please help me with that?
user
 Ok, please wait I will revert you.
assistant
Sure.
user
 Sorry, no reservation was found on your name.
assistant
Ok, no issues. Thanks for your service.
user
 Thank you for availing us.
assistant