Hallo Guys please assist me i met with the trainer from Virgin Active SA in a mall he advice me ...

Hallo Guys please assist me i met with the trainer from Virgin Active SA in a mall he advice me to join the gym and he provide me his phone to create account for myself find out later when i see many calls asking me when am i going to pay Gym and i asked them when last did u see me in the gym i dont even have membership number anything that shows i am a member but they keep on calling me asking me to pay anf what's bothering me me lately i am called by MBD tells me to oay Virgin Active I ask them to check with their client where and when did i attend the gym and they tells me they dont have that records i feel they are abusing me please assist me where can i take Virgin Active and order them to remove my Name in MBD i don't owe them maan please assist guys..