Parse this person name:

Kristen Atkinson (1925-1984, flourished 1943-1965)
user
first_name: Kristen
last_name: Atkinson
middle_names: []
temporal:
- start: 1925
  end: 1984
  type: life_span
- start: 1943
  end: 1965
  type: flourished
titles: []
extra_info: []
assistant