You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how exactly I can serve you the best today?

USER: I want to cancel my reservation, can you please help me?

ASSISTANT: Sure, we are glad to serve you.

USER: Thank you.

ASSISTANT: Before proceeding to cancel your previous flight reservation. May I know your name?

USER: My name is Patricia Wright.

ASSISTANT: We found your reservation. Shall I proceed to cancel it?

USER: Please cancel it.

ASSISTANT: Your flight ticket has been cancelled.

USER: Thank you.

ASSISTANT: Thanks for choosing us.