Hi.
user
Hello. How can I serve you?
assistant
Susan Robinson here. I would like to visit DCA, can you help me to book a flight on 04/25?
user
Sure, I can help you. When would you like to return?
assistant
I would like to return on 04/27.
user
Where would you like to start from?
assistant
My preferred source airport code is DEN.
user
Do you need any break?
assistant
Yes, I need a connecting flight.
user
We found a AA airline, flight number:1016 and the price is 200.
assistant
Proceed with booking.
user
Your flight ticket has been processed.
assistant
Thank you.
user
Thank you.
assistant