Hi.
user
Hello, how can I help you?
assistant
 I would like to cancel my recent reservation, my baseball tournament has been rescheduled to future dates. Can you help me in this?
user
Sure, may I know your good name?
assistant
I am Robert Garcia.
user
Sorry to say that, no reservation was found with your good name.
assistant
It's ok, thank you.
user
Thank you for opting us.
assistant