Parse this person name:

Arthur Bernier (1250-1329, flourished 1267-1293)
user
first_name: Arthur
last_name: Bernier
middle_names: []
temporal:
- start: 1250
  end: 1329
  type: life_span
- start: 1267
  end: 1293
  type: flourished
titles: []
extra_info: []
assistant