Parse this person name:

Alain Regnier, 1828-1902, flourished 1856-1886
user
first_name: Alain
last_name: Regnier
middle_names: []
temporal:
- start: 1828
  end: 1902
  type: life_span
- start: 1856
  end: 1886
  type: flourished
titles: []
extra_info: []
assistant