You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you aid me in cancelling my existing reservation?

ASSISTANT: Sure, please share me your name?

USER: I am Emma Lee.

ASSISTANT: We found a reservation on your name Emma Lee, shall I cancel it?

USER: Yes, please.

ASSISTANT: Your ticket has been cancelled successfully.

USER: Thank you for the support.

ASSISTANT: Thank you so much for choosing us.