Vodacom cansellations

I canceled 2 off my contracts on 10/06/21 the no are *** and *** thay gave me a quotation the 066..... numb was R604 and the 079.....numb. was R172 the quote is valid for 20 days i went to Voda shop in Sasolburg paid it up then i went to Postnet and e-mail it to *** i e-mailed all the proof that i have paid to them now they say the person who should stop it did not and that they only stop my accounts on the 06/07/21but now i must still pay for these accounts the end of this month for a mistake they make i call them put in a complaint several times but still no luk now they dont want to talk to me they dont want to help me at vodacom Sasolburg i am not willing to pay that two accounts the end off this month is there someone who can help me please