You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I told my brother to cancel my flight ticket. Can you find out whether my ticket has been cancelled?

ASSISTANT: Sure, I will help you with that. To proceed further, May I know your good name please?

USER: My name is Frank Johnson.

ASSISTANT: Thanks for your name. Wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Ok, thanks for information.

ASSISTANT: Thanks for choosing us, Have a great day.