Hello.
user
Hello. How can I assist you at this moment?
assistant
Can you please help me in booking my ticket from DFW to DCA?
user
Sure, I am gleeful to help you with that. Can you please share your preferable travel dates?
assistant
Thank you and my preferable travelling dates are from 09/16 to 09/18.
user
May I know your name please?
assistant
Myself Samantha Smith.
user
Would you like to travel in a direct flight or a  connecting flight?
assistant
I need a single connecting flight.
user
Do you have any other specifications?
assistant
My depart time should be in the evening.
user
Flight-1028 is available in American Airlines with single connection limit and the ticket fare is 200. Shall I proceed with booking?
assistant
Please proceed with the booking.
user
Sorry for the inconvenience , there are no flights available in evening time.
assistant
It's ok, thank you for your help.
user
Thank you for reaching us, have a great day.
assistant