Incorrect information provided to add new unneeded data contract

********** , I was called by Vodacom "agent" stating that I can get more than my current 10gig data for less , i said i m happy with 10gig agent insisted that 20gig for less is better deal , i specifically stated that it should then be amendment and not additional 20gig data (i have WIFI and can never use 30gig a month) this was confirmed by agent , today i see on app that second contract was added and i now have 10 gig on my original contract and 20 gig on the new contract? phoned Vodacom call center to cancel new contract ( i am still within 14days "cool off" period but no Vodacom cannot help because new contract was added by franchise and i need to phone them and off course they are not available over the weekend , conveniently to delay the cancellation and move me outside the cool of period ? I expected more from vodacom especially since i have been a loyal customer for more than 20 years