Hello. I am Paul Nelson.
Hello, how may I aid you?
Can you please help me in booking a flight ticket from NV-LAS  to reach TX-IAH?
Sure, may I have your travel dates?
My journey dates are from Mar 17 to Mar 19.
Do you have any airlines preference?
I prefer to travel in normal cost airlines.
May I know your connection limit?
My connection limit is one.
In which class do you prefer to travel?
I am comfortable with any class but make sure that my departure time is evening.
Ok, please be on hold. Let me check with the flight availability.
Sure.
Sorry, there are no flights in this route as per your travelling details.
That's ok, not a problem. Thanks for your information.
Thank you for reaching us.