Start by preparing a few talking points before meeting your supervisor to discuss the possibility of future employment. List your achievements and accomplishments to refer back to, and explain how you’ve grown or what you’ve learned. Relate these back to your career goals and explain why working full time for your supervisor would benefit not only yourself but the organization. Outline how your values align with the organization’s, and show gratitude for the experience thus far. If the answer is negative, be respectful and appreciative for the experience you’ve had so far.