Parse this person name:

Piergiuseppe Giusti (1906-1979, flourished 1921-1944)
user
first_name: Piergiuseppe
last_name: Giusti
middle_names: []
temporal:
- start: 1906
  end: 1979
  type: life_span
- start: 1921
  end: 1944
  type: flourished
titles: []
extra_info: []
assistant