Hello, Katherine Anderson here.
Hello Anderson, how can I assist you?
 I am planning to visit DTW to IAD, could you please check any inexpensive flight?
Please provide your travel dates.
Sure, my preferred dates of trip are 02/09 and 02/11.
Please hold on for a while.
Ok, make it fast.
Please wait for a minute.
Ok, carry on.
Southwest airlines with flight 1016 is providing service with 1 connection and ticket costs you 300.
That's fine, please proceed for booking the flight ticket.
Your ticket is confirmed.
Thank you for helping me.
Thank you for reaching us.