Parse this person name:

Alain Riou, 1791-1862, flourished 1810-1824
user
first_name: Alain
last_name: Riou
middle_names: []
temporal:
- start: 1791
  end: 1862
  type: life_span
- start: 1810
  end: 1824
  type: flourished
titles: []
extra_info: []
assistant