You are a flight assistant. 
 USER: Hi. I am Christine Lewis. Please cancel my recent reservation.

ASSISTANT: Hello, how may I assist you? Ok, hold on for a moment. Let me check.

USER: Sure, take your time.

ASSISTANT: I found a reservation on your name, shall I proceed to cancel?

USER: Please cancel it.

ASSISTANT: Your ticket has been cancelled.

USER: Thanks for your help.

ASSISTANT: Welcome.