Utter disappointment

I app**** for a new contract (double deal) on 24.03.2018 online. One of the call centre agents (Rosemary) contacted me to complete my application. She assisted me through the entire process to which I was told the phones on the application that I app**** for were out of stock and an ETA could not be advised. She advised me on another combo deal to which I agreed. We continued through the process to which she advised me that my application had been successful and read me through the terms and conditions on 2 separate occassions and welcomed me to Vodacom. She advised that I would receive and confirmation call and that I had to make sure that I did not miss that call, if I did and they would have to process the application again, there was a 90% chance my application would the be denied. Today (03.04.2018) I contacted Vodacom call centre to follow up on the status and tell them that I had not received my confirmation call to date. A lady by the name of Celeste advised me that the application had not been completed and asked who had assisted me, I advised her that it was Rosemary. She tried to put me through, but Rosemary was busy on another call and Celeste said that she would ask Rosemary to phone met back. About 2 hours later Rosemary phoned back, she said that she could not pick up a quote on the application and I advised her about our whole telephone conversation to which she rep**** that she recalled it. She then proceeded to advise that the deals I had app**** for was no longer available and she would have to offer something else. She offered the P9 phones which I accepted, she then said that she would process everything again and phone me back. When she phoned back, the application had been denied (which was no surprise). I am disgusted at the service, I am currently with Cell C and was hoping to change service providers. I get approved, then I have to phone to follow up and then I get declined? This is pathetic and worst of all, they offer deals and then end up having no stock, utterly bad service.