Hi.
Hello. How may I help you today?
Please help me out in booking the ticket from DFW to IAD.
Ok, I am here to help you with that. Can I know your journey dates?
My trip dates will be Apr 5 to Apr 7.
May I know your good name?
Raymond Gonzalez is my name.
Do you have any other requirements?
My depart time must be in the afternoon with direct flight.
Please wait  for a minute.
Ok.
Sorry to say that, there are no flights available based on your travelling dates.
That's ok, thank you.
Thank you for your consulting us.