Parse this person name:

Pierre Dupont, 1835-1876, flourished 1864-1871
user
first_name: Pierre
last_name: Dupont
middle_names: []
temporal:
- start: 1835
  end: 1876
  type: life_span
- start: 1864
  end: 1871
  type: flourished
titles: []
extra_info: []
assistant