UX in everyday life: The restaurant form completion and error message.

The other day I went to have dinner with a friend at a restaurant in central London. It was a last minute decision, so we hadn’t booked a table.

Being a weekday other than a Thursday, we had our hopes up that it wouldn’t be a problem. We passed by an elegant restaurant with vibrant atmosphere, not too extravagant, but the type you usually need to reserve a table for.

Upon entering the premises, we were greeted by an amiable waiter...