Worst delivery business ever

We orders 7 small pizza's on the 10th of June for my son's 5th birthday and when the order arrived 3 of the pizza's was incorrect with toppings we can't eat so we had to throw them away. The only responds I am getting is that I must give them n bit of time and the this is a high priority for them and they gave me a R20 coupon!! for the inconvenience! Big ball of **** business that only wants money and no return costumers! That's why they refuse to refund your money, because no one is happy and they don't return for mote