Hello.
Hello, how may I help you today?
I am planning to book a flight ticket to IAD from EWR, can you please help me out?
Sure, can I know your good name please?
Sure, my name is Andrew Collins.
 When you are willing to travel?
Sure, my trip dates are Sept 12 and Sept 14.
 Would you let us know if you have any other preferences?
I prefer direct flight.
Sorry to say that, there are no flights available on the routes of your journey.
It's ok, thank you for the information.
Thank you for choosing us.