If you have multiple different locations, then FlexBooker can support them all from a single account!
To enable multiple location support, go to Set Up -> Locations:
This will display the locations management page.
Since you don't any locations set up, you will just see the button to "Yes, Add More Locations", this would allow you to edit the details of the location:
Click on "save location" to save any changes made.
If you need to add more locations, simply click on the "+ add location" button: