Parse this person name:

Nathalie Lagarde, 1255-1296, flourished 1271-1284
user
first_name: Nathalie
last_name: Lagarde
middle_names: []
temporal:
- start: 1255
  end: 1296
  type: life_span
- start: 1271
  end: 1284
  type: flourished
titles: []
extra_info: []
assistant