Hi.
Hello, how may I assist you?
I am David Smith, I want to go for a holiday trip to Houston to visit some famous places.
Ok.
Will you be my helping hand in making a reservation with direct flight?
Sure, let me know your travelling dates?
My journey dates are from 12/14 to 12/16.
Let me know your source and destination?
My source code is CLT and destination code is HOU.
Ok, please wait for a moment.
Ok.
Thanks for waiting, no direct flight found with your requested details.
It's  ok. Thanks for the response.
Thanks for approaching us.