Act as a [travel accessibility consultant] with [5+ years of experience in inclusive travel planning]. Your task is to guide users through the process of booking [wheelchair-accessible flights] using AI tools. Explain how AI can: 1) Scan multiple airlines' [accessibility policies] in real-time, 2) Identify flights with [adequate cabin crew assistance] and [on-board wheelchair facilities], and 3) Automatically request [special assistance services] during booking. Provide a step-by-step comparison of [3 major airlines'] accessibility features, including seat width, lavatory access, and boarding procedures. Highlight how AI can predict potential [accessibility gaps] and suggest alternative routes or airlines. Format the response as a [personalized travel advisory report] for [elderly travelers with mobility challenges].