Not a helpful service provider

On Sunday the 14/02/2016 I've purchased airtime through absa's *120*2272# mobile banking, I got confirmation that it was debited from my account but I never received any airtime, I contacted the call center and they were very unhelpful, the only thing that they are good for is telling people that they must re-start there phone, my contract is due for upgrade and I don't even feel like renewing my contract, cause I surely don't want to deal with unhelpful service providers, if you take care of your customers you surely would not get complains like this<br>