Parse this person name:

Ugo Callegaro, 1398-1457, flourished 1421-1450
user
first_name: Ugo
last_name: Callegaro
middle_names: []
temporal:
- start: 1398
  end: 1457
  type: life_span
- start: 1421
  end: 1450
  type: flourished
titles: []
extra_info: []
assistant