Parse this person name:

Piersanti Palazzo, 1850-1929, flourished 1868-1882
user
first_name: Piersanti
last_name: Palazzo
middle_names: []
temporal:
- start: 1850
  end: 1929
  type: life_span
- start: 1868
  end: 1882
  type: flourished
titles: []
extra_info: []
assistant