Chaotic_arts is right. You can read about it here:
Why isn't Lyft on Apple Watch?
Lyft has been out of this game since 2018. Perhaps it's a case where the form factor just isn't the right match for the service. The Apple Watch app provided barebones ride-hailing functionality, with more advanced options like splitting fares and sharing an ETA reserved for the full mobile app.
https://www.theverge.com/2022/1/10/22877023/uber-apple-watch-app-discontinued
Why isn't the Uber app available on the Apple Watch?
We no longer support the Apple Watch app. Please use the Uber mobile app to request rides. We're sorry for any inconvenience.
https://help.uber.com/riders/article/apple-watch-update-?nodeId=422dc6de-b55e-476b-b977-a9cee3b31897
It's always best to do your homework before purchasing a device.