Hello,.
Hello, how may I aid you?
I am James Evans. Can you please find a evening flight to attend a event in Houston?
Sure, we are here to help you. Can you share me your trip dates?
My journey dates are, depart on Sep 13th and arrival  on Sep 15th.
Do you prefer any way station in your journey?
Yes, I prefer a way station in between journey.
Can you share me your source point?
My source airport code is DCA.
Is there any other requirements for you?
No.
May I know your landing airport code?
My destination airport code is HOU.
Thank you for sharing the details.
Ok.
We are sorry to inform you that, there are no flights available with your requirements.
Ok, no problem. Thank you.
Thank you for opting us, have a good day.