Hello, I am Steven Garcia.
user
Hello, how may I serve you at this moment?
assistant
I would like to go to a event in Washington, so could you aid me in booking a flight ticket to Washington?
user
Sure, I will help you. Please send your travelling dates.
assistant
Sure, I would like to go on 04/24 and return back on 04/26.
user
Please send your nearby airport codes.
assistant
My source and destination airport codes are IAD and DCA.
user
Please wait for a while.
assistant
Ok, ensure it is a single connecting flight.
user
There is a connecting flight available with Southwest airline, shall I book it?
assistant
Ok, please proceed for further if it costs you below 200.
user
Your booking is done with flight number 1001. Happy journey.
assistant
Thank you for booking.
user
You are welcome, have a nice day.
assistant