An AI assistant is tasked with planning a complex, multi-destination vacation. The user's request is: 'Plan a 10-day trip to Southeast Asia for me. I want to visit two countries, starting with cultural sites and ending with beach relaxation. My budget is flexible, but I want good value.' The optimal choice for the second destination heavily depends on the flight costs and travel time from the first chosen destination, which is not yet determined. Below are two proposed strategies for the AI assistant to tackle this planning task. Analyze both strategies and determine which is more suitable for this specific problem. Justify your choice by explaining the fundamental difference in their approach to breaking down the problem.