Before you can cancel any reservations you've made, you must first log in. (see the section on logging in for details ) After you login, you will see a "menu bar" at the top of each page:

Menu bar

Click on "Cancel reservations".

You will be taken to a page with a table of all the reservations that you currently have. Here you will be able to select any reservations that you would like to cancel. Here is an example:

Table of currently held reservations with selections

After you have made any selection you want to make, click on the "Remove reservations" button to remove the reservations. You will be presented with a table displaying which reservations you deleted and a table with the reservations you still hold.

Confirmation of removed reservations

• "I don't see any menu bar!"
  You are most likely not logged in. Please refer to the logging in section of the documentation.
• "I am getting an error message!"
  This shouldn't be happening. Please notify the developer.