Skipping The Kayran fight
In addition to Lokuzt's advice of changing the difficulty to easy, you can also make it even simpler by turning off "Difficult QTEs" in the options menu. This will help near the end of the fight.
The answer is No
There is no actual way of skipping the Kayran fight.
Check guides for the fight and if you still are having problems there's one simple thing you can do.
- Change difficulty to "Easy"
- Profit
That's the best advise and answer I can give you. Good Luck!