Hi.
Hello, how can I help you?
Please help me to book a flight ticket from DFW to IAD.
Sure, can you provide me with the travel dates please?
My trip dates are from Aug, 26 to Aug, 28.
Is there any class preference?
No.
May I know if you have any airline preference?
I prefer normal-cost airlines.
Is there any time concern?
No.
Is there any connection limit?
I need a single connecting flight.
May I know your name please?
I am Gregory Mitchell.
Give me a moment.
Ok.
Delta Airlines with flight 1005 is providing service on your route with connecting flight and  cost of 200.
Please proceed.
Your ticket is booked where departure DFW 1:00 AM Aug 26 and arrival IAD 6:00 AM Aug 28.
Thank you for booking.
Thank you for reaching us.