a very bad impression to a new client!!

I purchased R30 airtime on 29/02/2106 using the banking app, mind you this is only 2 days after I opened my account at Nedbank. I received confirmation of purchase from Nedbank however none from MTN. I called MTN and they confirmed that the purchase did not reflect on their end. I then went into Nedbank Cresta branch around 4pm that day to inquire, I waited a good 45 minutes before I could be assisted only to be that the bank is experiencing errors and that I have to give it 72 hours for the airtime fee to be reversed into my account. I went in today to request the reversal then I was told to call the contact centre, I did so however the call centre was taking me from pillar to post and I still did not get any assistance. I changed banks just last weekend due to bad service, I did not expect this from Nedbank. I deposited funds into my account yesterday around 5pm and 24hours later those funds still have not cleared, I mean it was a deposit not a transfer. I am extremely disappointed in Nedbank, I mean how hard can it be to give good service!! Clearly too hard!!!