refund

its been three weeks now still waiting for my refund ,i called in yesterday was advised somebody will call me , last week Thursday i spoke to Tinyiko ngobeni she advised that i should email my banking details i did but now i haven't received my money ,i emailed Tinyiko this week she didn't respond to my email ..i am so disappointed i think you don't know what you doing ,don't know how to take care of your customers