Hi.
user
Hello.
assistant
I am William Green.
user
How can I help you at this moment?
assistant
I would like to change my reservation, would it be possible to do?
user
I am here to help you, please wait for a minute to check the reservation details.
assistant
Sure, take your time.
user
Based on your request, there is no reservation with your name.
assistant
It's ok, no issues. Thanks for your information.
user
My pleasure, have a nice day.
assistant