Hello.
Hello, how may I assist you?
Can you please help me in booking the flight ticket from DFW to LAS?
Sure, can you please mention your departure and arrival dates of your journey?
My journey dates are May 5 and May 7.
Do you need any layover in between  journey?
I need a single connection flight.
At what time are you planning to depart and return?
I would like to return in the evening.
Do you have any class preference?
I prefer to travel in business class.
May I know your name please?
Paul Miller.
Thanks for sharing your details, we are unable to provide flight in between your journey routes.
Oh! Not an issue, I will find an other way to reach my destination. Anyway, thank you for the information.
You are most welcome.