This will depend on the settings available for the particular skylight.
If it won't do what you want directly you might be able to get what you want by making the skylight frame deeper and offsetting it into the roof.
You might also be able to get an approximation by setting the skylight opening to perpendicular and adjusting an additional empty hole to make the flares, but this would be a fussy process. This would also require turning off the interior trims/extension jambs as they will not recognize the added flares.
i solved the issue with solid element operations. i just simple turn off lining and made custom profiled wall which i "chopped" out from both side of the window and than hide it.