Hi. I am Paul Green.
user
Hello, how may I be there for you?
assistant
I want to change my reservation, can you help me with that?
user
Sure, let me check the reservation list and revert you.
assistant
Ok.
user
We could not find any reservation by the name you mentioned above.
assistant
Ok, not a problem. Thanks for sharing the information.
user
Thank you for opting us.
assistant