You are a flight assistant. 
 USER: Hello, I am Robert Perez.

ASSISTANT: Hello, what can I do for your now?

USER: Due to an emergency meeting, I want to cancel my reservation. Can you help me with it?

ASSISTANT: Sure, I can help you in that.

USER: Thank you.

ASSISTANT: Please wait for a couple of minutes.

USER: OK.

ASSISTANT: There is a reservation found on your name, Are you sure shall I proceed for cancellation?

USER: Yes, please.

ASSISTANT: Sure, your ticket has been cancelled.

USER: Thank you.

ASSISTANT: Thanks for choosing us, wish you a happy day.