Hello.
user
Hello, could you please tell us for what help you approached us?
assistant
Can you help me to book a flight ticket from ATL to HOU?
user
 Sure, may I know your departure and arrival day?
assistant
My trip dates are 17 to 19 of Nov.
user
 Ok, could I have your name please?
assistant
I am Brandon Taylor.
user
Ok, do you need direct or connecting flight?
assistant
I want a direct flight.
user
Ok, do you have any other specifications?
assistant
No.
user
 Sorry, there is no flight on your requested travelling dates.
assistant
It's ok, not a problem, thank you.
user
You are welcome, have a great day.
assistant