Pathetic experience at kfc

At 9pm last night my boyfriend and I went to the kfc drive thru at Chatsworth , the lady at the intercom didn't seem interested in taking our order , it was a fully loaded box meal, small pops and a zinger burger meal, she didn't confirm the order or give us the total , after waiting a couple minutes cause we got no response from her we went to the cashier who was busy screaming at the next person she need s to cash out , we told her we need to confirm our order , she then screams there's no chips and opens the fridge and now starts frying chips while we waited , we ended up with a wicked box , a box master , a zinger burger and no pops , we only noticed when we got home and we phoned the branch and at 10pm had to drive back to get refund for extra meal .the old chips was re fried and stale ! Is kfc running a fish market??? The manager agreed the staff doesn't no what they doing, if the manager has no confidences in her staff , what does kfc expect from consumers??