Hello.
Hello, how could I aid you?
There is art museum in Chicago but due to some reason I can not go, can you change the reservation to other day? Can you please help me to change it?
Can I know your name please?
Sure, my name is Richard Anderson.
Please wait a moment.
Sure.
We are sorry to inform your that there is no reservation found with your given name.
Ok, no problem. Thanks for your help.
Thank you for opting us.