Parse this person name:

Giovanni Callegari (1215-1276, flourished 1235-1260)
user
first_name: Giovanni
last_name: Callegari
middle_names: []
temporal:
- start: 1215
  end: 1276
  type: life_span
- start: 1235
  end: 1260
  type: flourished
titles: []
extra_info: []
assistant