Bad Management

We were at Nando's Heidelberg 29 November approx. 14:40. We were the only patrons in the queue. The only employee at the cashier desk was on the landline taking a order. When she ended the call we greeted her and proceed to place our order. She immediately interrupted us as said she cannot help us she is processing the phone in order. She screamed X 2 to the back of the grilling area for someone to assist her. After 5-7 minutes we are still waiting to place our order. We asked to speak to the manager and the employee behind the counter that refused to assist us.....was the manager, Nontobeko. We asked her for pen and paper to make a note of her name and she rep****: " I am not going to give it to you because you are going to lie what happened." Then suddenly with angry motions she ripped of her name tag and said take it, take it. We actually felt threatened and decided to leave. If this is the actions of management what can we expect from the workers? If the store have CCTV please have a look...it will confirm my complaint.