Hello.
Hello. How can I help you today?
Will you help me in booking the flight ticket from DCA to DFW?
Sure, I  will help you with that. Can you please share your preferable travel dates?
My preferable journey dates are Aug 17 and Aug 19.
Would you like to travel in a connecting flight or a direct flight?
I need a direct flight in between my journey.
Do you have any other specifications?
No, thank you for asking.
May I know your name please?
Myself Williams Collins.
Sorry to say that, there are no flights found on this route as per your travel dates.
Ok, not an issue. Thank you for your information.
Thank you for reaching us, have a great day.