Delivery?

I bought a camera recently, and realised I needed to change the delivery date after I made payment. I called takealot the next day to have this changed, the representative I spoke to assured me it would be done, and that she'd call back to confirm that delivery would happen this Saturday (and not next Tuesday). I have logged in to track my order several times and nothing has changed, nor did she get back to me. No one will be available to take delivery if the products are delivered next Tuesday. Unfortunately, there is no email address for me to follow up on, and I need this equipment urgently.

I really dislike having to take to this platform as a means of communication, but I'm not sure what else to do.