Hello.
user
Hello, may I know your good name?
assistant
My name is Jack Baker.
user
How can I support you Jack?
assistant
My family tour trip was postponed, so please change my existing reservation.
user
Sure, please wait for a moment.
assistant
Ok.
user
Thanks for waiting, sorry to say that, no reservation was found with your name.
assistant
No problem, thanks for your help.
user
Thanks for choosing us. Have a nice day.
assistant