Return my money and cancel the policy number

This Pretty Mvumbi on text im a female of 27 years old I app**** for a phone at telkom an iphone actually then the agent from mobisos told me that in order to get a phone i also have to get the simcard for data and if I like the simcard ill continue with it then if im not I can cancel so agreed to the process then unfortunately I got declined for the phone meaning I can no longer get the simcard so the agent did not cancel the simcard debit order and its been deducting on my account while I dont have any simcard nor phone with me I did try to call the call center but they say they dont see anything they reference me then abandon the call everytime I call them can you kindly please assist they have been deducting R159 for 2 months now