You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Nicholas Jones. Please book a flight ticket to Chicago, ORD from DFW within the fare of 500.

ASSISTANT: Sure, can I know your dates of travel?

USER: I want to travel on 02/26 and return back on 02/28.

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

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found an airline JetBlue with flight 1005 having a fare 200 with halt. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you.