Poor customer Service

On the 16th of April 2015 I returned a Body Glove cover that I have bought from Mtn Highveld Mall opposite Game, I explained the situation to a Jenne lee Adams on which she took the faulty cover which has a one year warranty ..took my contact details and promised that the body glove consult will come and pick up the faulty products the following day, and on which her manager will give me feedback...and on today I returned to the shop on which this sales person could not even remember my issue, I asked to speak to the manager on which she told me she is on her off weekend and that no one has sent in or received the faulty product yet, I am terribly disappointed in Mtn and will from now on cancel all my business with Mtn, due to no customer relations and poor service!!!!