Hi. Melissa Hall here.
Hello, how may I serve you?
Can you please reserve me a flight ticket from DCA to LAS?
Sure, I will help you. Please send your travelling dates.
My trip dates are 12/19 - 12/21.
Do you have any preferences?
I need a single connection in an economy class.
There is a connecting flight available with UA airline, shall I proceed?
Please reserve.
Your booking is done with flight number 1021. Happy journey.
Thank you.
You are welcome, have a nice day.