Difficult to interact with Takealot when there is a delivery delay advised by them.

I have used Takealot for many years now and have been very happy on the whole, however with my last order I was very disappointed. I ordered 2 items which both showed they were in stock when I ordered, payment was done immediately so this should not have caused a problem. 3 days after the order was placed I received an email advising that the order was delayed until approximately 31 March, due to a stock issue with the dog food. This would then make it 15 days after the order, that delivery would take place. This would not be a major issue if it was easy to cancel the part of the order that was delaying shipment which I tried doing by replying to the email received. Once again disappointment, I received an automated reply saying that they would not respond to the email (the email address I rep**** to was Info@, not a noreply@) and I had to go to the help section on their page to try and fix it there. You then have to scratch around to figure out how to cancel only part of the order. I did not find a way other than to cancel the whole order. Eventually, I used a generic option.