Hi.
user
Hello, how may I help you?
assistant
As my plan to visit White House was postponed, I need your help in changing an existing reservation.
user
Sure, I am happy to help you. Please provide your name.
assistant
I am Ronald Roberts.
user
Wait a minute I will revert you.
assistant
Ok.
user
Thank you, no reservation found with your name.
assistant
Ok, thanks for the information.
user