Refund R4000 cash payment

Recommended mechanical workshops, living in Athlone western cape so took car mbenz A*** to adrenaline auto works Athlone industrial firstly receptionist told me first to cash for diagnostic report R700+_ she going to book me bring car 10/10/2024 and to pay R4000 I have to go and lend this amount by my daughter and cash deposit into adrenaline standard bank business account she didn't give me any receipt but I got proof payment