I want a flight ticket booking website designed. The platform must be robust and user-friendly, incorporating the following key features: Essential Features: - Multi-airline search and booking - Customer management system - Payment gateway integration Additional Features: - Real-time flight updates - User reviews and ratings Ideal Skills and Experience: - Proven experience in developing travel booking websites - Strong understanding of API integrations, especially with airline databases - Expertise in building secure and efficient payment gateway systems - Familiarity with customer management systems (CMS) - Ability to implement real-time data feeds - UI/UX design skills to ensure a seamless user experience - Good review ratings and portfolio in similar projects I'm looking for a detailed proposal including timeline and milestones.