Hi, I am Jeffrey Brown.
user
Hello Brown, how may I help you?
assistant
I want to cancel my existing reservation because of my office schedule postpone. Could you please help me?
user
Ok, wait a while and I will revert you.
assistant
Sure.
user
Brown, no reservation found with your name.
assistant
Ok, not an issue. Thanks for your kind service.
user
Thank you, have a nice day.
assistant