Parse this person name:

Giancarlo Segni, 1387-1440, flourished 1407-1423
user
first_name: Giancarlo
last_name: Segni
middle_names: []
temporal:
- start: 1387
  end: 1440
  type: life_span
- start: 1407
  end: 1423
  type: flourished
titles: []
extra_info: []
assistant