Hello.
Hello. How can I assist you now?
Can you please help me with booking a flight ticket from IAD to DFW?
Sure, I am  happy to help you with that. Can I have your  travel  dates please?
My travelling dates are from Aug 04-06.
Ok,  please  let me know your  preferable timings of your  journey.
My depart has to be in afternoon.
Do you  have any other specifications?
I would be comfortable with single stop over.
Can I have your  good name please?
Ashley Harris here.
Sorry to inform you that no flight is available to you on your  planned dates.
No problem, thank you for the information.
Thank you for choosing us, have a good day.