Hello.
Hello. How may I help you?
Can you please book a flight ticket from DFW to IAD?
Sure, I will help you in booking the ticket. May I know your travelling dates please?
Thank you. I have planned my travel  dates as Nov 22 and Nov 24.
Do you have any other specifications?
I am looking for single connecting flight.
Please help me with your name for booking.
Sure, myself Nicholas Lewis.
According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1002. Shall I proceed with this flight?
That is fine, please proceed with booking.
Your booking is done.
Thank you for your help.
Most welcome.