Parse this person name:

Piero Gritti, 1344-1403, flourished 1373-1398
user
first_name: Piero
last_name: Gritti
middle_names: []
temporal:
- start: 1344
  end: 1403
  type: life_span
- start: 1373
  end: 1398
  type: flourished
titles: []
extra_info: []
assistant