Hi, Kathleen Roberts here.
Hello, how can I help you?
 I am looking for a cheapest flight possible to travel from TX - DFW. Can you help me finding a flight with price under 500?
Sure, please share your travelling dates.
My arrival is on 08/27 and departure is on 08/25.
May I know your destination?
My destination is TX - HOU.
Ok, please wait for a moment.
Ok.
I found a Southwest airline, flight number: 1004, price: 300 with one connection.
Ok, please reserve my ticket.
Your flight ticket has been confirmed.
Thanks for your support.
Thank you for opting us.