Hi, I am Dennis Lee.
user
Hello, How can I help you?
assistant
Will you book a flight from Washington, IAD-DCA?
user
Sure. May I know your journey dates?
assistant
My friend invited me for a beer party on 05/05, so I have to there on 05/04. I intend to return on 05/06.
user
Do you have any preferences?
assistant
I need a connecting flight.
user
There is a flight 1008 in AA  airline and price 200 with a connection. Shall I proceed?
assistant
You can proceed.
user
Ok, Reservation is done.
assistant
Thank you for helping me.
user
Thank you.
assistant