How to display api json data into a wpf page

So I am making a flight Booking app and I am using Amadeus Flight API right and I want the user to search for Flight using a Form but I get this odd error Exception: The JSON value could not be converted to System.Collections.Generic.List'1[FakeFlightBookingApp.Model.FlightOffer].Path: $ | LineNumber: 0 | BystePostionLine:1. but it does seem to make the call to the API just fine and the data is displayed in the console log as you can see in the pic. I will give some of my relevant code