Hello, Patrick Thompson here.
user
Hello, how may I help you?
assistant
The event which I am planning to attend has been cancelled. Can you help me in cancelling my reservation?
user
Sure, please let me check your existing reservation details first.
assistant
Ok.
user
Patrick, there is no reservation found under your name to do cancellation.
assistant
I guess I have cancelled it before. Anyways, thank you for the information.
user
Welcome, thank you for choosing us.
assistant