Regarding the number of people chosen, you can now select the correct type of vehicle for your needs.
If you pretend one way journey, choose the correct vehicle type capacity from “Select transfer for your departure” list and then hit at the end of the page “Book Transfers”.
If you pretend journey with return included, choose the correct vehicle capacity both from “Select transfer for your departure” list and “Select transfer for your return” list. Both lists are located on the same page. Just Scroll it and hit at the end of the page “Book Transfers”.