No human compassion for a refund for a human error.

I logged into Shaw academy to view my last training course and noticed a pop-up regarding a e certificate and hardcopy diploma, no pricing was immediately noticeable on the Pop up. I clicked a link and only noticed it says one time payment below the link. By this time R999.99 was deducted from my bank account. There is no basket and then checkout option as per normal e-commerce sites. I have been in literal tears for the last two days as my sister sent me money for groceries a few hours prior as I am unemployed. And then this human error occurred on their website. I have been in contact with their billing department but there is no human compassion and they are not interested to refund me at all and are offering me free subscriptions etc but this is not putting food on the table. All I am asking is for some human compassion for the refund as this was a human mistake. I have sent them my bank statement as well to show the R1000 my sister paid and then their payment deducting just after leaving me with around R70. The current ticket number is ***