Parse this person name:

Baccio Gaiatto (1261-1336, flourished 1284-1308)
user
first_name: Baccio
last_name: Gaiatto
middle_names: []
temporal:
- start: 1261
  end: 1336
  type: life_span
- start: 1284
  end: 1308
  type: flourished
titles: []
extra_info: []
assistant