Is it possible to book multiple accommodation types within single reservation?

The Hotel Booking plugin allows booking multiple accommodations within single reservation.

In order to achieve this, use availability search form on your website to look for accommodations with desired search parameters: 

Once it is done, you will be redirected to the Search Results page. Look through the offered accommodation types and simply click "Book" button next to the one you've chosen. The "Confirm Reservation" button will appear:

Skip clicking confirmation button and scroll down to look for more accommodations to book. Once you find the one that suits you, click "Book" button next to it:

Repeat the procedure if you want to book more accommodations.
Once you finish booking all the rooms you need, click "Confirm reservation button" next to any booked accommodation to proceed to Checkout page:

That's it! You have now learnt how to book multiple accommodations within single reservation.