Parse this person name:

Chelsea Allen, 1940-1995, flourished 1964-1987
user
first_name: Chelsea
last_name: Allen
middle_names: []
temporal:
- start: 1940
  end: 1995
  type: life_span
- start: 1964
  end: 1987
  type: flourished
titles: []
extra_info: []
assistant