Empty Promises, last minute drop

Nationwide wanted full advance payment for my sister's move from Centurion to Cape Town. When she discussed the possibility of late delivery, she was PROMISED by the company that the delivery would happen on time (in writing!). This was in July. Today, the 28th August, with her move booked for Monday 31st, she received a phone call saying that they can only collect her furniture 2 DAYS late! The company were then rude and dismissive of her predicament. When confronted with the fact that they had **** to her, the response was \How could I possibly have known that this was going to happen?"At which point she queried whether it has ever happened before. \""Oh"