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