Hello, I am Brandon Wright.
user
Hello, how can I provide service to you?
assistant
I want to change my existing reservation due to my business meeting got postponed. Can you please help me out?
user
Sure, Please wait a while.
assistant
Sure.
user
Thanks for waiting, there is no reservation found with your name.
assistant
It's ok, not a problem. Thank you for your service.
user
Thank you.
assistant