Parse this person name:

Pierina Fantoni-Chechi, 1299-1352, flourished 1321-1347
user
first_name: Pierina
last_name: Fantoni-Chechi
middle_names: []
temporal:
- start: 1299
  end: 1352
  type: life_span
- start: 1321
  end: 1347
  type: flourished
titles: []
extra_info: []
assistant