You can book a desk in Workspace with the help of this guide. It's a 4 step process that includes a video explainer, where you can see each of the steps to log in.
Follow these steps to book a desk in your Workspace app.
Choose the day when you want to book a desk
If you already have a favorite desk in Workspace, then you can simply just click on the book a desk button.
If you want to change your status, you can click on edit workday and you will have the option of clicking "out of office" or "remote"
You can also change the hours when you will be at the office and have the option of changing the desk where you want to sit or deleting your activity.