Hello. I am Andrew Walker.
Hello, how may I provide service to you?
I would like to enjoy the night life of Las Vegas, will you please help me with booking a connecting flight from Washington?
Sure, can you please forward your journey dates that you prefer to travel?
Sure, my planned dates are 06/10 and 06/12.
Kindly assign your boarding and landing airport codes?
I want to board from DCA and land at LAS.
Ok, please be on hold for some time.
Ok.
We found  a direct flight with Southwest airlines, and the fare of 600. Shall I proceed?
Actually I am looking for a flight within price 500, If you can give me discount then I can go with this flight.
Sorry we can't provide you discount on your route, but using Master  Card cash back offer is available.
Ok, then book it for me.
Ok, your booking has been done with 1007 flight number.
Thank you for your effort and help.
Thank you for reaching us.