If for any reason a user would like to remove a Course Reserve request or a Live Course Reserve from a selected resource on their list, they can use the triple-dot dropdown and press the "Withdraw course reserve request" button.
They will then see this screen asking them to confirm their withdrawal:
Once that has been processed, the user will see a "Withdrawn" banner on the selected resource.
For more information about Course Reserve Statuses (like "Withdrawn"), please visit this support article.