Hi, I am Sarah Harris.
Hello, how can I help you?
I want to book  a flight ticket to Detroit with price under 200. Can you help me with it?
Sure, I am here to help you, may I know your travelling dates?
Travelling dates are 06/19 and 06/21.
May I know your airport codes?
Airport codes are DFW-DTW.
Please mention your lay by's.
I need a lay by in between the journey.
Sorry, no flights found on your requested dates.
Ok, no issues.
Thank you for approaching us.