private static void CreateNewAirlines(SqlCrud sql, List <AirlineModel> airlines)
 {
     foreach (var airline in airlines)
     {
         sql.CreateAirline(airline);
     }
 }
        private static void CreateNewAirline(SqlCrud sql)
        {
            // Test Data
            var airline = new AirlineModel
            {
                Name = "Turkish Airlines"
            };

            sql.CreateAirline(airline);
        }