[
{
    "id": 1,
    "seat_no": 6
},
{
    "id": 2,
    "seat_no": 27

}

var reservedSeatsJSON : JSON = JSON()
    var seats = Int()
    var reservedSeats = [Int]()
   for item in reservedSeatsJSON.array! {

                        seats += item["seat_no"].int!
                          reservedSeats.append(seats)
                        self.reservedSeatsLabel.text = "Reserved((reservedSeatsJSON.array!.count))"

                    }