You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you aid me to book a flight ticket from DFW to ATL?

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

USER: I planned my trip on the dates Dec 6 and Dec 8.

ASSISTANT: Ok, please let me know the timings of your journey.

USER: I prefer evening flight at the time of depart.

ASSISTANT: Do you have any other specifications?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Can I have your good name please?

USER: Myself Shirley Evans.

ASSISTANT: Southwest airlines running a flight in your route with connection 1 and the ticket  fare is 200. Shall I proceed with booking?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket booking has done and the flight number is 1020.

USER: Thank you for your help.

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