Hello. I am Rachel Allen.
user
Hello, how can I serve you?
assistant
I want to change my existing reservation due to prepone of office meeting. Please help me with it.
user
Sure. Please wait for a while.
assistant
Ok.
user
Unfortunately, we did not found any reservation on your name.
assistant
Ok, not a problem at all. Thanks for your time.
user
Thanks for opting us.
assistant