Parse this person name:

Nathalie Lefort (1245-1319, flourished 1270-1285)
user
first_name: Nathalie
last_name: Lefort
middle_names: []
temporal:
- start: 1245
  end: 1319
  type: life_span
- start: 1270
  end: 1285
  type: flourished
titles: []
extra_info: []
assistant