Poor service

I requested to do cancelletion of the contract i made all the necessary payments they needed now I've be calling cellc to cancel the contract they are busy telling me that my funds that i paid it has not been allocated since from the 6 of June till today every time when i call cellc they always tell me within 48 hours the funds will be allocated so that they can cancel the contract what kind service is this is over three weeks funds cannot be allocated to the right reference number wow really this is not good at all i always request to speak to managers they keep me on hold over 30 minutes after the call when off no one border to call me back this is unacceptable