Hello.
Hello, how may I help you today?
Can you please help me with booking a flight ticket from IAD to LGA?
Sure, can I know your good name please?
Margaret Jackson here.
 When you are willing to travel?
My travelling dates are from Dec 17-19.
Do you need direct flight or connecting flight?
I prefer to fly in connected flight.
 Is there any other specifications?
My depart has to be in afternoon.
Sorry to say that, there are no flights available on the routes of your journey.
No problem, thank you for the information.
Thank you for choosing us.