Hello.
user
Hello, how may I assist you?
assistant
Prepone plan came into a picture owing to announcement of birth of baby boy. So I need to change an existing reservation, can you please help me?
user
Sure, may I know your good name please?
assistant
My good name is Margaret Miller.
user
Thanks for providing your name, there is  no reservation on your name.
assistant
Ok, no problem. Thanks for your information.
user
Thanks for choosing us.
assistant