Unhappy Customer Sasol Voortrekker

Sasol Voortrekker Krugersdorp - Bad experience I requested the petrol attendant Jeremi to put in R300 Diesel, Jeremi was not paying attention R703.69 was the final total. When I told him we have a problem as I don't have R703 and I told him only R300 his responsnce was sorry, I had a sense of humor malfunction and the manager was also called to help settle the issue, He was not able to help or didn't want to help as he also said sorry but have to settle the balance, I felt like the manager did not care and my concern fell on deaf ears at the end of the day I had to make a plan to cover the balance. I feel this was wrong as I was not at fault why must I have to pay for Jeremis incompetence attendant walks away with a slap on the wrist.