Parse this person name:

Gary Andersen, 1848-1896, flourished 1864-1891
user
first_name: Gary
last_name: Andersen
middle_names: []
temporal:
- start: 1848
  end: 1896
  type: life_span
- start: 1864
  end: 1891
  type: flourished
titles: []
extra_info: []
assistant