You are a flight assistant. 
 USER: Hello, I am Angela Carter.

ASSISTANT: Hello, how may I assist you?

USER: Can you aid me in cancelling my ticket?

ASSISTANT: Sure, hold on for a moment. Let me check. I found a reservation on your name.

USER: Take your time. I have an emergency, so I need to cancel it.

ASSISTANT: Your ticket has been cancelled.

USER: No issues. Thank you for checking.

ASSISTANT: Welcome, thank you for choosing us.

USER: Thank you.