****med by the Bolt driver

I requested a ride on the 23rd of December this year, which amounted to R600. To my surprise they didn't send me a receipt. So I contacted the driver and asked him and he said I must ask Bolt as they don't issue receipt but he can give me a screen shot of the amount I paid. Which he did but it's not the receipt I know. I then wrote to they support. They then came back to me to say that the driver said I did not pay for my ride so they can not issue a receipt. I then went back to the driver who told me that he will email them and that they might be having some technical issues. Now my problem is that when I get back to work they are going to need that receipt because it was petty cash that laid for the ride. My job is on the line here and I've been telling them but they don't seem to care at all. Please help me contact them because they are not helping