Hello.
user
Hello, how may I aid you?
assistant
I want to change my existing reservation. Can you help me in that?
user
Sure, I am here to help you. May I know your name to proceed further?
assistant
Thank you, myself George Brown.
user
Ok, please wait for a while.
assistant
Sure.
user
Thank you for waiting, we did not find any reservation on your name.
assistant
Ok, no problem. Thank you.
user
Thank you for opting us.
assistant