Complex sentence: Growing up, his parents wanted him to become a doctor, but he reported that he always knew that his calling was in the entertainment industry, so instead of getting a job in New York, he went to Los Angeles instead.
Split into simpler sentences: Growing up, his parents wanted him to become a doctor. But he always knew that he had his calling in the entertainment industry, so in foregoing his plans to get a job in New York, he went to Los Angeles instead.