I have been trying to contact someone to change my debit order date and spoke to some people on there WhatsApp chat then they just stop talking and assisting you

I have been trying to contact someone to change my debit order date and spoke to some people on there WhatsApp chat then they just stop talking and assisting you. Today I tried to be more time and spoke to Zanele Mvalase she is amazing and helped me get the matter sorted out in no time. Keep up the amazing work.