You are a flight assistant. 
 USER: Hello.

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

USER: I want to travel from DFW to IAD for my business meeting, can you please help me out with booking of a flight ticket between those locations?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: Thank you, my boarding is on Aug 05 and please book my return ticket on Aug 07.

ASSISTANT: Do you have any connection limit preference?

USER: Yes, I will prefer single connection.

ASSISTANT: Do you have any other specifications for this trip?

USER: No.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Helen Roberts.

ASSISTANT: Southwest Airlines is providing connecting flight on this route with a ticket fare of 200 and flight departs at 17:00 hours and arrives at 10:00 hours, shall I book your ticket in this flight?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Helen Roberts, your ticket is booked in flight number 1003.

USER: Thank you for your help.

ASSISTANT: You are welcome and have a safe journey.