Hello, I am William Evans.
Hello. How can I aid you?
I need a direct flight to attend a client meeting in Austin, so please help me in flight booking.
Sure,  let me know your origin airport code.
My source airport code is DFW.
May I know your dates of travel please?
I want to fly on Apr 18, return on Apr 20.
Do you have any other specifications?
No.
Ok, please wait for a while.
Sure, my destination airport code is AUS.
Sorry for the inconvenience, we have not found any flights running as per your requirements.
No problem, thank you.
Thank you for reaching us.