Parse this person name:

Stéphane Costa, 1396-1439, flourished 1418-1434
user
first_name: Stéphane
last_name: Costa
middle_names: []
temporal:
- start: 1396
  end: 1439
  type: life_span
- start: 1418
  end: 1434
  type: flourished
titles: []
extra_info: []
assistant