You are a flight assistant. 
 USER: Hello. I'm Jack Phillips.

ASSISTANT: Hello. How may I help you today?

USER: I am planning to attend music concert at ATL, can you please help me with booking a flight ticket from IAD?

ASSISTANT: Sure, I am here to help you with that. Can I know your travelling dates?

USER: Sure, I would like to take off on 12/23 and return back on 12/25. Ok, but please make sure that the connection limit is 0.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Yes Jack, I have found a flight with the UA airlines having a connection limit 0 with the ticket fare is 200. Can I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Yes Jack, your ticket is reserved with the flight number 1006.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.

ASSISTANT: Have a safe journey.