I send my sibling to...

I send my sibling to deposit my cousin money at Pep Store Park Central Johannesburg Amu was the cashier who was assisting her, after depositing money she was given a receipt n never received any sms she then send number to my cousin n he didn't receive anything money was already withdrawn.. when my sibling went back to the store they couldn't assist she was told to call head office where she spoke to Babalo who says my sibling is foreigner n her ID is incorrect n she can't say where the money was withdrawn... service received from PEP was very very bad...I need help to get my money back never trust Pep Store there's ******** going on