Phonebox and hotstortterms

Good morning my name is vusani I have a problem here my account was debited some money which I don't know from who,where I check the reference I found 2 things that I know about HOTSPORTTER- ********** 5-3 they debited R45 PHONEBOX MS- ********** 5-4 debited R35,please I really want to cancel those things

Thanks so much