Bad customer service

Bad experience and worse customer service experienced this past week from mr price call centre. I picked up my online parcel Mr Price Greenacres when I got home I discovered two of my items are missing from my parcel. I contacted customer service to inform them and obviously get it resolved because I have been invoiced for the items. Went to the store since the lady who I spoke to wasn’t very helpful over the phone. Im still waiting on a response! As a customer I shouldn’t be the one following up