Complex sentence: I knew "he says" that if you can do seven bookings you can do seven hundred, seven thousand or even seven million and the company began to grow, Gerry Pack left his job at Saga and became full time at the Apple Booking Company.
Split into simpler sentences: I knew he says "that if you can do seven bookings you can do seven hundred, seven thousand or even seven million" and the company began to grow. Gerry left his job at Saga and became full time at the Apple Booking Company.