2 weeks and still no delivery!!!

i went to Russell/joshua on the 30th of May on a Saturday to take a Tv n credit, when i got there i saw the tv and gave all my documentation required to see if i qualify. I specifically asked the sales consultant Xolani if there is stock and he said there is a lot. after filling in all the paper work they said they will get back to me n Monday to tell me if i qualified or not. Monday i got no call from them...Tuesday no call...Wednesday i stayed out of work and went to Russells to find out whats happening, when i got there they told me i qualified i wondered if i qualified why no phone call, they said it will be delivered the Saturday or Sunday. Saturday and Sunday they never showed up so i called them to find out when they delivering the tv. i spoke Xolani he said they never sent the order to the warehouse it will be here Tuesday or Wednesday, Tuesday i call they say its on Delivery today is Wednesday i called and now they tell me they don't have stock!!! but yesterday they said its on delivery how funny! Xolani doesn't answer his phone they said the Manager will call me back but till this time im waiting! i really dont know what to do anymore PLEASE HELP ME