Parse this person name:

Ricarda Planas (1403-1457, flourished 1427-1441)
user
first_name: Ricarda
last_name: Planas
middle_names: []
temporal:
- start: 1403
  end: 1457
  type: life_span
- start: 1427
  end: 1441
  type: flourished
titles: []
extra_info: []
assistant