MTN v & a waterfront bad customer service

Went to mtn v and a waterfront branch today to open a new contract. Firstly the sales representative Amanda, tells me and very rudely, that what was advertised ( the phone plus free WiFi ****le) she is not able to give me as they are out of stock. When I ask her whether she is able to get it from another store and send it to the store she immediately starts to get rude and raises her voice and tells me I can either take it without the free WiFi ****le that was advertised at their store as it will be closed for renovations from tomorrow or I can just leave and go to another store. I then proceeded to tell her that there’s no need to speak rudely and she then raises her voice once again and accuses me of being rude. I am appalled by this customer service as there is no need to be rude and mtn should look at sending their staff for proper training on how to treat customers.