Hello.
Hello, how may I help you?
There is art museum in Chicago but due to some reason I can not go can you change the reservation to other day?
Sure, we are here to help you.
Ok.
May I know your name?
Sure, my name is Laura Johnson.
Wait a minute.
Sure.
We could not find any reservation on your name in our database.
No problem, thanks for your help.
Thank you.