Hello, Jerry Adams here.
Hello, how can I assist you?
Can you book a flight from IAD to BOS, because I have to meet my MD to discuss about company.
Sure, May I know your travelling dates?
 I would like to leave between 01/16 and 01/18.
Do you have any other specifications?
I need a direct flight.
Thanks for giving all your details, but we have a connecting flight. Shall I book the ticket?
Ok, Please do not proceed with the booking.
Thanks for opting us, have a good day.