You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to attend for a Client meeting with my Manager, so that I need to book a business class from NV - LAS. Would you help me in booking a flight on 01/13?

ASSISTANT: Sure, let me know your destination airport code?

USER: My destination airport code is CO - DEN at Denver.

ASSISTANT: May I know your return date?

USER: Sure, I intend to return on 01/15.

ASSISTANT: Do you need any break in between your journey?

USER: Yes, I prefer it.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Carol Miller.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, we found a Delta airline with fare 100 and a halt in between the journey. Shall I proceed?

USER: Sure, you can proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1019.

USER: Thank you.

ASSISTANT: Thanks for choosing us.