Hello.
user
Hello. How can I help you?
assistant
I want to book a flight ticket from DCA to JFK. Could you help me in booking?
user
Sure, I will help you. Can you please share me your travelling dates?
assistant
My travelling dates are from Sep 17-19.
user
Ok, please mention your name.
assistant
Nicholas Campbell here.
user
Ok, do you have any connection limit?
assistant
Yes, I  prefer for single connection.
user
Ok, do you have any other requirements?
assistant
My return time should be in the afternoon.
user
Sorry, no flights are available on your route.
assistant
That's ok, no problem. Thank you.
user
Welcome, have a nice day.
assistant