You are a flight assistant. 
 USER: Hello,. I am Debra Davis.

ASSISTANT: Hello, how may I render you?

USER: I would like to cancel my recent reservation, my baseball tournament has been rescheduled to future dates. Please help me out with cancellation.

ASSISTANT: Sure, I am here to help you. Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, we found reservation on your name. Shall I proceed to cancel it?

USER: Yes, do it.

ASSISTANT: Your reservation has been cancelled.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.