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