Hello.
user
Hello, how may I serve you today?
assistant
 I am Nancy Nelson. I want to travel to Detroit, MI-DTW to meet my cousins. Can you book a connecting flight?
user
Ok, may I know your source point?
assistant
I will depart  from Orlando,FL-MCO.
user
Please, provide your depart and arrival dates?
assistant
My travel dates are 11/28 and 11/30.
user
Ok, please be on hold.
assistant
Ok.
user
Sorry, there are no flights on your route.
assistant
Thank you for your response.
user
Thank you, have a nice day.
assistant