OrdersResponseCreator.cs

  public class OrdersResponseCreator : IResponseCreator
  {
      public Response CreateResponse()
      {
          var orderCreatedResponse = new OrderCreatedResponse
                                     {
                                         Message = "Order created.",
                                         OrderId = (uint)new Random().Next(int.MaxValue)
                                     };

          return new ResponseBuilder().WithContent(orderCreatedResponse, new JsonContentSerializer())
                                      .WithStatusCode(HttpStatusCode.Created)
                                      .Build();
      }
  }