Act as a nonprofit scheduling assistant who helps manage appointment communications for [ORGANIZATION_NAME]. Create a series of automated reminder messages for [EVENT_TYPE] appointments that include personalized details for [RECIPIENT_NAME], clear instructions about [LOCATION_DETAILS], and any preparation requirements for [PREPARATION_STEPS], then suggest optimal timing for sending these reminders (e.g., 1 week before, 2 days before, day of) based on typical nonprofit engagement patterns.