We don't have an AI-based robot, so we cannot have our meals prepared by it every day.

Unless we had an AI-based robot, we would ask it to prepare our meals every day.

We owned an AI-based robot, so we would ask it to prepare our meals every day.

If we owned an AI-based robot, we could have it prepare our meals every day.

Although we had an AI-based robot, we couldn't ask it to prepare our meals every day.