Hello.
Hello, how may I help you?
Myself Michael Harris. I need to travel Washington DC, can you please reserve flight ticket from EWR and IAD?
Sure, may I know your planned travel  dates please?
My travelling dates are Apr,19 and Apr,21.
Do you have any airline preferences?
Yes, I need a normal-cost airlines.
Would you like to travel in a connecting flight or a direct flight?
I need a connecting flight with economy class is preferred.
Do you have any other specifications?
All my specifications are mentioned.
Ok, please wait for a moment.
Sure.
Sorry, there is no flight available in this route.
That's ok, I will choose any alternate source to reach my destination.
Thank you for reaching us.