Hello. Raymond Evans here.
Hello, how may I help you?
I want to travel from DTW to IAH. Can you book my flight ticket?
May I know your travelling dates?
My travelling dates are from 02/09 to 02/11.
 There is a flight available for you in AA airline with 1 connection. Shall I proceed?
Please proceed.
Your ticket is booked.
Thank you so much.
Most welcome.