Hello, Nancy Jones here.
user
Hello. How can I help you?
assistant
I am looking for a direct flight on a round trip from Houston. Could you book a flight ticket for me?
user
Sure, may I know your travel details please?
assistant
My itinerary dates are 09/17 and 09/19.
user
May know your airport codes please?
assistant
My nearest airport code is HOU.
user
I am sorry there is no direct flights as per your requirement.
assistant
It's ok, thank you.
user
Thank you for choosing us.
assistant