Hi.
Hello. How can I aid you at this moment?
I am Frank Hall. Can you please reserve me a  direct flight ticket from Las Vegas to Denver?
Sure, Can you please let me know your preferable travel dates?
My trip dates are 12/01 - 12/03.
May I know your preferable airport code names for further process?
My airport codes are LAS - DEN.
Is there any additional preferences do you have?
I need a normal - cost airline.
Ok, please wait a moment.
Sure.
Sorry, no flights are available in this route as per your requested dates.
No issues, thank you for your information.
Thank you for reaching us.