Manager with an attitude

Hi guys I visisted your port Elizabeth branch last night. I purshed the movie tickets popcorn and also 3D glasses for my movie. When I had to collect my popcorn they said to me the combo I chose is out of stock.. but the problem is there were no signs stating they were out of stock none whatsoever. So the lady who.helped us said she needs to speak her manager for a refund but no option was given to us to choose something else from the shelves as only the sweets were out of stock. The manager refused to come to us we had to go to her. This is very worrying when a manager already has an attitude with the customers instead of solving an issue in the correct manner. She wanted.to refund us and we would have to wait 10 days for.our money back and then make another purchase this ridiculous so now we have to spend more money because of your fault??? Thats unheard of. This gets better the manager started shouted at us and made as if we are in the wrong and started speaking about us in her native language oh by the way I do.understand xhosa.. anyway she then walked.away to call another manager to help us as she couldn't deal! Again I ask you why can't a manager not help angry customers when this whole situation is your fault???? While all.of this was happening we missed the beginning of the movie it started at 7:45 we only entered the theatre at 20:15 all because you guys didn't have the decency to stock up in time and also put up signs if you were out of stock. What the actual heck is wrong with you? Why did we have to inconvenienced because of you cant handle your stock??? I don't understand and no one apologised all we got is bad service and bad attitudes from your staff. This is totally unacceptable. No one also.seemed to care that the customer is always right as per the.customer consumers act! We didn't want a refund because you can't refund on.a.debit card it will nort work but noooo miss nolutando or nomathando the manager couldn't have been bothered at all. So you tell me what is going to be done about this? I am tired receiving bad service from you always!