PNP ASAP- Poor service delivery

Placed an order via the Pick N' Pay asap APP on Friday (Order number *** refers). Only received half my order, even though ALL items were shopped and despatched. After holding to speak to an agent for more than 20 minutes, I left a voicemail to be contacted. I have also sent three emails. To date there has been NO resolution. I received a very poor email from a consultant yesterday (2 days after issue) asking me if I received the rest of my order? Still no phone call, no additional emails, and certainly NO order, despite my account being debited immediately when purchase was completed. Pathetic customer service experience!