Parse this person name:

Salvi Gigli (1420-1461, flourished 1444-1456)
user
first_name: Salvi
last_name: Gigli
middle_names: []
temporal:
- start: 1420
  end: 1461
  type: life_span
- start: 1444
  end: 1456
  type: flourished
titles: []
extra_info: []
assistant