incompetant call centre agent

It is with great regret that I am writing this letter to you with lots of disenchantment. On the 08th of December I called your call centre and I spoke to Evelyn to apply for a new contract. She did assist me but what is most upsetting is the fact that, I was the one who had to email her for an update with regards to my contract, even when I emailed her she took her own time to respond. I had to be the one calling her again and again for an update, up until I spoke to Kalvin Madondo who did his utmost best to assist. I then called again on Thursday 17 2015 , I spoke to Evelyn who told me that an invoice still need to be captured then the handset will be delivered. I asked her to give me specifics like when will that happen she couldn't tell me. On Monday 21/12/2015 I contact your call centre again I can't remember who I spoke to and the lady advised me that the courier service is closed and I suggested that I personally come to collect my handset, I was told that this is not company policy, and I understood. This morning I phoned and I spoke to Mzi to advise that I wanted to cancel the contract as I was not happy with the service I have been receiving and I was advised that only