complaint

i am very disappointed to start with as i app**** for credit at Ackermans and was approved for r5000 credit as per the sms i received , me being greatful that i was granted r5000 credit was happy as i would now be able to buy winter clothes for my grandkids and kids but now all of a sudden they have decided to decrease the limit to r1450 which will not be enough as i have already planned how i will be able to cover everyone in that r5000 credit and i also took time off from what i was doing to go instore to apply and also submit my documents and the repayments would not be a problem as i will be able to make my monthly payments. I would like to get assisted on this complaint as soon as possible and get feedback