Unfortunately, its not integrated yet. Doing so would require some custom development. The pieces are there but I would exactly call it easy. BePro Cart is designed to accept price information for any plugin. However, the booking plugin is not yet designed to store purchase info and lock out booking based on it.
We are always looking for code contributions. If you build a solution, we would be happy to share it with the rest of the community. If you need is urgent, you can use our contact us page to request a quote ___ BePro Software Team