Parse this person name:

Kai Korstman, 1940-2010, flourished 1962-1975
user
first_name: Kai
last_name: Korstman
middle_names: []
temporal:
- start: 1940
  end: 2010
  type: life_span
- start: 1962
  end: 1975
  type: flourished
titles: []
extra_info: []
assistant