Someone has stolen by laptop dell xps 13

Tracking and recovering laptop with service from Absolute  https://www.absolute.com/blog/how-to-guide-tracking-and-recovering-laptops/

You can declare a device as lost or stolen to Dell. This prevents any use of valid warranty or support until the Lost or Stolen Flag is removed and ownership is confirmed.  https://www.dell.com/support/kbdoc/en-us/000129627/how-to-report-a-dell-system-lost-or-stolen