Hi. I am Helen Mitchell.
Hello, how can I help you today?
Please book a flight ticket from DCA to LAS.
Sure, kindly share your travel dates.
I would like to travel on dates 12/01 and 12/03.
There is a flight with your requirement, airline is Southwest with price 100 and single connection.
Please proceed with booking.
Your booking is done and flight number is 1015.
Thank you for the help.
Thanks for reaching us.