Parse this person name:

Gianna Piacentini, 1320-1396, flourished 1345-1361
user
first_name: Gianna
last_name: Piacentini
middle_names: []
temporal:
- start: 1320
  end: 1396
  type: life_span
- start: 1345
  end: 1361
  type: flourished
titles: []
extra_info: []
assistant