Hi.
Hello, In what way can I assist you now?
 Help me in booking a flight form LAS to DFW?
Sure, can I know your good name please?
I am Stephanie Hall.
 When you are willing to travel?
 My travelling dates are Mar 29 to 31.
Do you have any other restrictions to be met?
I want direct flight.
Sorry to say that, there are no flights available on the routes of your journey.
That's ok, thank you.
Thank you for availing us.