You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you now?

USER: I am Stephen Roberts, can you help me in booking my flight ticket to ATL from DFW and I need to departure in the evening?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: Thank you for considering my request. My travel dates are Sep 08 and Sep 10.

ASSISTANT: Do you have any specific timings to travel?

USER: I need to departure in the evening.

ASSISTANT: Are you looking for any specific airlines to travel?

USER: No, I am comfortable with any of the airlines.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Delta airlines running a flight in your route with connection 1 and the ticket fare is 200 in economy class. Are you ok with this flight?

USER: Yes, do proceed with the booking.

ASSISTANT: Ok Stephen Roberts, your ticket booking has done and the flight number is 1004.

USER: Thank you for booking my flight ticket with the flight 1004.

ASSISTANT: Thank you for choosing us, have a great journey.