Hi, Samuel Rodriguez here.
Hello, how can I help you?
 I need to visit to LGA from IAD for study of wildlife and research, can you book me a ticket?
Sure, please tell your travelling dates?
Sure, my trip dates are 12/03 to 12/05. I want 1 connection flight.
There is a flight available with all your requirements.
Ok. Please proceed.
Your reservation have been confirmed with AA airlines of flight 1018.
Thank you.
Thank you and have a nice day.