A man ends up on a mining/research asteroid lab, his ship is in need of repair and the lab is going to self-destruct or lose all air. An alien female and her child were left there. They find a ship within an asteroid with an active AI. They manage to get the new ship running with air for them all and start a space adventure, populating the ship with alien species as crew.
I read this book from Amazon within the last 5 years or so. I've been looking through all my books and doing google searches to find this book but haven't yet.