You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: James White this side, I have some other priority in the date which I planned for outing, can you help me to cancel my ticket?

ASSISTANT: Ok, hold on for a moment please. I found a ticket on your name, shall I proceed to cancel?

USER: Thank you, please cancel.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you for helping me.

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

USER: You are welcome.