Samsung — Cancellation and refund

I had ordered samsung galaxy s7 fe on 6th november, it was supposed to be delivered on 10th. but i did not receive order till now. when i asked blue dart people why taking so long, they said they misplaced it in warehouse . but they had updated in their website of adress issue. so i asked samsung executives to cancel the order and initiate the refund process . from last one week m getting only one statement that your matter has been escaleted . order id is - [protected]