This is kind of what we had here outside some nightclubs in the UK. There'd be a private hire company (bookable only), with a guy with a notepad and phone stand

This is kind of what we had here outside some nightclubs in the UK. There'd be a private hire company (bookable only), with a guy with a notepad and phone standing outside, he'd make the booking on the paper, ring the driver who was in the car next to him, bingo.