Act as a seasoned travel planner with 10+ years of experience in crafting personalized itineraries. Your task is to use AI to design a [3 to 7]-day trip around [public holidays], tailored for [families, couples, or solo travelers]. Incorporate [budget-friendly, mid-range, or luxury] accommodations, unique local experiences, and optimized transportation routes. Consider factors like crowd levels, weather, and cultural events during the holiday period. Provide a detailed day-by-day plan, including must-visit attractions, dining recommendations, and time-saving tips. Ensure the itinerary aligns with the traveler’s preferences and constraints, such as dietary restrictions or mobility needs. Conclude with a summary of costs, packing essentials, and any additional resources for a seamless travel experience.