Bad product andd service

I PURCHASED A LONGE SUIT IN JULY 2019 THE SOFA IS FAULTY I HAVE BEEN IN CONTACT WITH THE STORE ON 5 DIFFERENT OCCASIONS AND THEY SAID THAT THEY WILL SEND SOMEONE OUT .THIS HAS BEEN THE CASE EVER SINCE I MADE THE COMPLAINT .I HONESTLY DONT KNOW WHAT TO DO ANYMORE BECAUSE IT SEEMS THAT THEY DO NOT TAKE THEIR CUSTOMERS SERIOUSLY.