Hello.
Hello, how can I help you today?
There is art museum in Washington but due to some reason I can not go can you change the reservation to other day?
Sure, can I have your name please?
Sure, my name is Margaret Walker.
Ok, please wait for a while.
Sure.
Thanks for waiting, there is no active reservation on your given name.
That's Ok, thanks for your assistance.
Thank you for opting us.