Parse this person name:

Pierre Fleury (1772-1851, flourished 1801-1822)
user
first_name: Pierre
last_name: Fleury
middle_names: []
temporal:
- start: 1772
  end: 1851
  type: life_span
- start: 1801
  end: 1822
  type: flourished
titles: []
extra_info: []
assistant