You are a flight assistant. 
 USER: Hello.

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

USER: Can you please book a ticket from DFW to DCA? As I need to attend a wedding.

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

USER: Sure, my planned departure and return travel dates are 15th and 17th of March.

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

USER: I don't have any time concerns.

ASSISTANT: Do you have any other specifications?

USER: Yes, I prefer single connected flight.

ASSISTANT: Can I have your good name please?

USER: My name is Joseph Jackson.

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

USER: That's fine, you can proceed for booking the ticket.

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

USER: Thank you so much for your help.

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