Parse this person name:

Alix Ollivier (1798-1867, flourished 1821-1846)
user
first_name: Alix
last_name: Ollivier
middle_names: []
temporal:
- start: 1798
  end: 1867
  type: life_span
- start: 1821
  end: 1846
  type: flourished
titles: []
extra_info: []
assistant