I recently read Conversational Design by Erika Hall (it's limited print, so might be hard to find or expensive) but it's one of the best books on this topic and I think it should be required reading for all designers.
I also read a synopsis of https://www.amazon.com/Reframe-Shift-Work-Innovate-Think-ebook/dp/B00VTZX9XK and think it sounds great, but I haven't actually read it.
The basic mind shift is that most major UX problems are essentially business problems at heart.