Simplify the following text for a Grade 7 native English-speaking person.
Original: Sora then meets Donald and Goofy , and the three decide to travel togetherâ '' Donald and Goofy to find King Mickey , and Sora to find Kairi and Riku .
Simplified: Sora tells Kairi he will not come home until he finds Riku , and leaves with Donald and Goofy to start a new adventure .