Hi.
Hello.
I am Paul King.
How can I help you?
I am looking for a flight from Washington, can you help me out in flight booking  from IAD to DTW?
Can I know your travel dates?
My travel dates are from Aug 21st till Aug 23rd.
Connecting flight can be booked with airline Delta for price 200. Shall I proceed?
Please proceed with it.
Ticket is booked having flight number 1005.
Thank you for your help in booking the flight ticket for me.
Thank you.