Travel Portal and Flight booking engine development for William

I have attached links of various providers in this description. Please follow the link to see requirements. We require, Modules Include Mid-office module and CRM (booking management, Front desk management, Supplier management, Service fee management) B2C online booking portal with customer profiling (My bookings, Booking vouchers, Cancelation) B2B Partner Booking with credit management and customer quotation management Distribution Model (output API) Responsive (Web Portal) On Demand Mobility Solution Functionality Include Rules and markup setup at various sales channels Booking Management and cancellations (Centralized fulfillment and processing of bookings from multiple point of sale channels) Customer Relationship Management Automated Invoice / Voucher Creation and Ticketing Partner Credit Management Customer Profiling Interactive Dashboards Supplier Management and payment schedules and setoff management Post sale support – Reschedule and Cancelation Online Payment Gateway SMS and Email Integration Flight Module Integration with Amadeus and Galileo and Sabre GDS - We will discuss that part Integration with consolidators - We have a wide list. Integration with directly connected airlines - We have a list Booking, Hold Booking, Invoicing, Ticketing and Cancellation Reports We have enclosed all functionality requirements. Now please let us know your bid. Please write down your questions on your proposal in case you have any. The budget of the project is not in a fixed range, it will vary depending on proposal. We welcome everyone to give their proposal and we will then find out the well fit one for our project.