Windows Itinerary Management App

I'm looking for a powerful Windows application that will help me create, manage, and export detailed travel itineraries for my clients.

Key functions should include:
- Itinerary Management: Create and manage detailed itineraries, including hotel bookings, activities, transfers, and payment rules.
- CRM: Comprehensive CRM for suppliers and clients, featuring contact management, sales tracking, and communication history.
- Payment Management: Handle customer payments, supplier payments, internal transfers, and activity costs.
- Reporting: Analytical insights on payment statuses for each project, with sales margin calculations.
- Export: Generate comprehensive itinerary PDFs.

Ideal skills and experience:
- Proficiency in Windows app development
- Experience with CRM systems
- Strong understanding of payment processing and financial management
- Ability to create detailed, exportable reports

Looking forward to your bids!