Hi.
user
Hello, how may I be of your assistance?
assistant
As my appointment to consult a  doctor was cancelled, can you please help me in changing my earlier reservation?
user
Sure, please give me a minute I will revert you with current status. May I know your good name?
assistant
My name is Brandon Lee.
user
Thank you for providing your name, unfortunately there is no reservation found with your name.
assistant
Ok, thanks for your information.
user
Thank you, have a nice day.
assistant