Hello, I am Justin Lee.
Hello. How can I help you today?
Can you help me to book a flight ticket from IAD to DCA?
Ok, may I know your travel dates?
My travel dates are 11/13 and 11/15.
 Do you have any preference?
Yes, I need a connecting flight.
We found a connecting flight JetBlue with flight number 1000 and fare is 100. Shall I proceed?
Ok, please proceed.
 Your booking is confirmed.
Thank you.
 Thank you for availing us.