Hi, this is Robert Lee.
user
Hello, how can I help you?
assistant
I want your help in changing an existing reservation on my name.
user
Sure, I am happy to help you and may I know your name please? Wait a moment, I will check the existing reservation and get back to you. Thanks for waiting, there is no existing reservation found with your name.
assistant
OK, no issue. Thanks for the information.
user
Thank you for choosing us, Have a nice day.
assistant
You too have a nice day.
user