Hi. I am Jack King.
user
Hello, how may I aid you?
assistant
Please change my reservation to new dates which I have done with my name. Can you help me?
user
Sure, I am here to help you out. Please allow me a moment.
assistant
Sure, take your time to check.
user
Sorry King, there is no active reservation on your name.
assistant
It's ok, thanks for your help.
user