DOUBLE BILLING!!!! 10years good service to NOTHING

I did my upgrade on the 8th April Autopage somerset mall.my migration date,signed copy says the 23-08-2015.I log onto my Autopage online account on the 9thJune2015 as I got a message to say my data was finished and saw my bill showed as R734!!.I called the somerset west branch,where i did my upgrade,got no answer their phones just rang and rang,I called both lines***/5 so I called the Customer care line ***and spoke to Mpo at 8:10am 09-06-2015 who logged my dispute ref 719674,Mpo told me to call my branch so I called Autopage Somerset M again where i spoke to Sandra who told me that their had been issues of Mirgrations that had been put through before they were supposed to.11th June spoke to Angelique at Somerset M who then told me it shows on the system my current package which includes 1GB she also confirmed that it cancelled 3 months ago when i upgraded by mistake due to migration being done early but that my data would be reactivated.its the 24th June STILL NO DATA being DOUBLE billed for service not receiving. i have all proof emails and times and dates.I want to get this sorted because Autopage takes money off your account and wont put it back!!! SORT out