Hi, Pamela Campbell here.
Hello, how can I aid you today?
Can you please reserve me a direct flight ticket from DCA to LGA?
May I know your travelling dates please?
My trip dates are 02/29 - 03/02.
Just hold on a moment.
Sure.
Unfortunately we did not find any flight on your given information according to your given dates.
No issues, thank you for  your information.
Thank you for availing us.