Bad service

On the 23 of August me and my partner we checked in at Durban spa hotel,we were asked to pay R500 in which we paid cash and we were never given a receipt ,we were gave the key and a checklist,we enjoyed our stay,then on the 26 of August we checked out round about past 7 in the morning,we were not given our deposit,so we thought that they will deposit it,2 weeks pasted and we never received our deposit,i called in to inquire about and at first was old i signed for it and i received the money,i told them i never signed for anything and they asked me if i have a white receipt told them i dont have i was never given a receipt and i askes them to check their cctv cameras,i spoke to the manager and was told that they will investigate and get back to me 1 week past and they never called me back,i called again went through the same process and was told that they will investigate and get back to me,till today i never received any call from them.