Go to https://lowell.roombookingsystem.co.uk/
Click on "Signup".
Create a username for yourself, and a password. Put in your first and last names, your email, and make sure to choose "Lowell Undergraduates" as your Department if you are a Lowell student.
In order to make a Dance Studio reservation, you will have to create a secondary account: your username should end in _dance and your department should be "Dance Studio".
Then click "Signup and Login".
Now you are ready to make a reservation.