Hello.
user
Hello, how may I assist you?
assistant
I am Dorothy Brown and I want to cancel my recent reservation due to my  NBA exam got postponed.
user
Ok, let me check the status and revert you.
assistant
Ok.
user
Thanks for your time, we did not find any reservations on your name.
assistant
No issue.
user
Thank you for contacting us.
assistant
Thank you for your service.
user