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