Day light ******* by USave Tembisa cashier

Went there to buy a few essentials and used my intellicard also asked for a cashback of R300 but the lady at the till said its declining when I went to check my statement online it showed a cash withdrawal of R300 and a purchase that I made of R180.92 it was duplicate I went back to the store about 3 times and was assisted by a lady name Bester (assistant store manager) she promised to get back to me but didn't until I went back there I was only refunded R180 but refused to refund me the withdrawal of R300