Poor customer service

I bought a bed at lewis slumberland chester 152cmbase set my account no is *** Branch 1136 Phola Park Shop located in moloto road shop no 31 I bought it cash 07 August 2020 after the deliver I reported at the shop that the bed is sagging till to date was never attended or responded name collen Sibusiso mashele drivers name is maleta vihicle reg CA 513279 it was cash at R5999 until now so devastated can't use that bed was never attended or I send them pictures also kindly assist