Humiliation and poor customer services

Yesterday afternoon i went to woolworths ben fleur to buy groceries with store card. I had a credit of over R650. I got to the teller paid for the items that were R606.22. The store card approved and the signature slip came out and i signed, was waiting for the the receipt that also had airtime i bought but the machine got stuck. Now the lady whom i believe was a supervisor said i should wait for the manager who had went out to come back so he can give R110 from the petty cash and buy the airtime cash. I waited patiently and the store manager did not come to attend to the matter instead he went on the system to "check" if the transaction went through and i was told it did not go through. He then came to me accompanied by another lady and they said they have ring the items again. I had no problem with that but told them that note that the credit won't allow to ring the items again as i had limited credit. They continued and rang the items and the card declined as i said which means the transaction went through. The store manager walked away yet i was kept waiting there after I've been standing for over an hour as if im a suspect for theft. The staff members were going up and down and no one saying anything to me, i politely asked the lady(supervisor) how much longer do i still had to wait. I got no response and she went and spoke the lady that accompanied the manager and i was told they were phoning the head office to "verify" if the transaction went through or not. I asked did we not prove that already? They did not respond, i waited there with them while she is holding on the line for woolworths call center. I then started shouting with anger and asked why should i continue being inconvenienced and be kept waiting yet again and she asked for my ID smart card and I gave her. While she was on the phone with a consultant their line cut off. She dialed again expecting me to continue waiting there while she was still trying to connect with another consultant I went crazy and demanded my ID card and i took my groceries and left. Two staff members ran after me trying to stop me like imva ***** that had ******. I walked to the car, put my groceries in as i was going around the driver's side the lady tried to open to take the items. I looked at her and said "touch my car and see what will happen next" i got in the car and drove off. Today i am going back there to demand for my airtime and public apology for the embarrassment they put me through. I've never been so humiliated in my entire life.