Wrong Stock and no exchange as arranged

1st was the damaged fridge that they delivered 3 times - only the 4th time was correct - delivery was after 8pm<br> 2nd was the damaged Top Loader Washing Machine - delivery people not trained and damaged and tilted the machine<br> 3rd was the Air-con - they sold me the one that they advertised but WRONG PRODUCT was supp**** - when I went to make arrangements to exchange they had 6 in stock and was SORRY for the inconvenience. HOWEVER when I went there to do the exchange NO STOCK - after 3 hours ......Friday 27/2/15 They will phone on Monday 2/3/15 to arrange delivery for right product ...I AM STILL WAITING FOR A CALL - almost 16:00 2/3/15<br> Talent was there after shift changed .....not very helpfull at all ....she said that Dominique was in charge and will speak to her .... but still no response ???