Hi.
Hello. How can I assist you at this moment?
Can you please help me to book flight ticket from SEA to HOU?
Sure, can I have your travel dates?
My trip dates are May 22 and May 24.
Ok, please let me know your  preferable timings of your journey.
I do not have any particular timings to travel.
Do you  have any other specifications?
I prefer direct flight with economy class.
Can I have your  good name please?
Myself Daniel Nelson.
Sorry to inform you that no direct flight is available to you on your planned dates.
It's ok, thank you.
Thank you for choosing us, have a good day.