CANCEL MY CONTRACT PLEASE

On 06 january 2020 i got a call from DC EXPERTS asking me how much do i pay every month and i told that lady that i am paying to much and she did explain to me the way they can reduce my installment ..i agree and they told me instead of paying 3000 a month i will be paying 1800 to all my instalment, Bad like that didnt happen they did deduct 1800 from my account but i still receive message from my creditors and they didnt cover everything as our agreement.now i telling them the said some of my debts i should pay it.

i want them to reverse my money and cancel my contract with them.

i dont want anything to do with them .