Samsung — Product Not Shipped

I booked a Samsung Tab 3 T311 on 27th July Order no: 1165930, but the product has not been shipped yet, when I rang the customer service they say that the product is out of stock. When I asked them to cancel the order they say that it will be cancelled within 24-48 hours, but they do not cancel the order I am struck with these hopeless group of people. What a shame that Samsung does not have stock of its own products launched recently. If the product is out of stock, why doesn't the website show that the product isn't in stock.

Never buy anything from Samsung estore