Hello. I am Kevin Carter.
user
Hello, how may I help you?
assistant
There is art museum in Chicago but due to some reason I can not go can you change the reservation to other day?
user
Sure, please wait a moment.
assistant
Ok.
user
Sorry, there is no reservation found on your name.
assistant
Ok, it's not an issue. Thanks for your information.
user
Thank you for opting us.
assistant