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