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