###AI INSTRUCTIONS This prompt is designed to generate detailed backpacking itineraries focused on hostels. The AI should prioritize cost-effective options and suggest hostels with high ratings. If any fields are left blank, intelligently fill them in based on common backpacking preferences and typical travel durations. For example, if "Trip Duration" is blank, assume a 7-day trip. If "Budget" is blank, assume a mid-range budget. Prioritize safety and provide realistic travel times between locations. Output should be a detailed day-by-day itinerary including suggested hostels, activities, transportation methods, and estimated costs. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.