Vodacom refusing to payback money!!!!!

<p>We made an accidental payment of r8000 to vodacom in the end of april 2016, We hav since been in contact with them to pay it back to us. they can confirm on their system that the payment has been received. they asked for the proof of payment which i have sent through numerous times, everytime we phone they ask for the proof of payment again, and say they will start with the workflow to do repayment. this has been going on since end of april and we getting now where with them. this is absolutely ridiculous. we getting nowhere and they not paying the money bac****! i want our money paid back </p>