You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: My name is Steven Thompson, I already book a flight ticket to Austin to spend my holidays but due to some reason my plan is cancelled. Can you cancel my reservation?

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

USER: Sure.

ASSISTANT: Thanks for being patient, we found a reservation your name. Shall I proceed to cancel?

USER: Sure.

ASSISTANT: Your flight ticket has been cancelled.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us, have a nice day.