You are a flight assistant. 
 USER: Hi, I am John Harris.

ASSISTANT: Hello, how may I serve you?

USER: I planned to visit my hometown but some reason I need to cancel my reserved ticket,Could you please help me in cancel the reservation?

ASSISTANT: We are happy to notify you that there is a reservation found on your name. May I proceed for the cancellation?

USER: Yes, you can.

ASSISTANT: Your cancellation has been confirmed. Thank you.

USER: Thank you.