Pathetic service as a new member joining 1 July

I joined OM Iwyze insure on 1 July. I called a few days before my first pro rate deduction to cancel my one vehicle as it had been in an accident. I called on 29 June the agent confirmed my new premium of R1100 to be deducted on 1 July and that I will be refunded R392. I received the updated policy schedule confirming R1100 and on 1 July a total of R1416 was deducted I called again and they confirmed it was too late to raise the payment and I will be refunded I called again yesterday as I received a new policy schedule with R1339 and no call or context I called queried this and was informed the previous agent did not give the correct amount It has been 10 days as per SLA and no refund I called yesterday 10/7 as I got an SMS saying R105 will be deducted and this was deducted today with again no context I am now owed over R400 which I was informed they are still processing and will get back to me when no one has done so. As a new member of OM I am dissapointed in your customer service and managing of new clients. Refund me my money as this is supposed to be a pro rata yet I have been paying more than my actual premium. Agents need to do better and I will not accept a credit as I am now looking elsewhere for insurance after July