Parse this person name:

Alex Lagarde, 1252-1322, flourished 1270-1288
user
first_name: Alex
last_name: Lagarde
middle_names: []
temporal:
- start: 1252
  end: 1322
  type: life_span
- start: 1270
  end: 1288
  type: flourished
titles: []
extra_info: []
assistant