I want my money back

I placed my order 19203 on 24 September, when the 21 days passed I had to phone and ask where my order was, was told that its held by customs and that it can take up to 10 days. 10 days passed and heard nothing from them, had to call again and was told to wait for feedback by Christina Hourrides. eventually after much struggle i received my order on 17 November. I waited so long just to discover the garment was at least 3 sizes too big, i requested for a refund and again struggled to have the garment picked up due to the delayed response from Christina Hourrides. eventually ram couriers collected the garment on 30 November, it has been 2 weeks and i heard absolutely nothing from them, all i got was the automated message saying they will get back to me within 24 hours, I feel like Im getting ******