Ready-made
Shared ride
Seats, claimed one at a time.
Say how many seats and let people take one. The count goes down and the car does not get overbooked.
Start oneIt opens with the rows already in place. Change any of them before you share it.
An example
- Seat 3 — 1 left
Other templates people use
Ready when you are
A minute to set up, and nothing for anybody else to install.