Parse this person name:

Juliette Lacroix (1797-1849, flourished 1819-1840)
user
first_name: Juliette
last_name: Lacroix
middle_names: []
temporal:
- start: 1797
  end: 1849
  type: life_span
- start: 1819
  end: 1840
  type: flourished
titles: []
extra_info: []
assistant