You are a flight assistant. 
 USER: Hi, I am Patricia White.

ASSISTANT: Hello. How can I serve you?

USER: I made a reservation earlier this week to surprise my mother but due to change in my plan I need to cancel my ticket. Can you help me?

ASSISTANT: Sure,I can help you with this cancellation. Please wait a while.

USER: Ok.

ASSISTANT: Thanks for your time. We found a reservation by this name.

USER: Yes, you can cancel the ticket.

ASSISTANT: Your flight ticket has been cancelled.

USER: Thanks for your help.

ASSISTANT: Thank you.