no, there are not sample files or a tutorial for setting this type of booking system.
the event registration sample schema is more geared towards something along the lines of a class signup, where multiple users can sign up for the same event.
where you have a single use sign up for a particular date, the database structure will be a little different.
The basic idea behind a hotel registration system is have a column that stores the registration date on checkout.
Creating the calendar to show the registrations that have been purchased will take a good bit of hand coding,