Booking Site for Villa with Calendar Integration

We need a simple booking website for a villa that includes a calendar view and booking flow. The site should allow guests to select dates, submit a booking request, and receive confirmation details. We also need integration with third-party calendar systems (Airbnb) to sync availability and bookings automatically. The project should be clean, easy to use, and ready for future updates. Please share examples of similar booking sites you have built. I need it in Spanish and English