Parse this person name:

Danilo Rivas, 1420-1480, flourished 1439-1452
user
first_name: Danilo
last_name: Rivas
middle_names: []
temporal:
- start: 1420
  end: 1480
  type: life_span
- start: 1439
  end: 1452
  type: flourished
titles: []
extra_info: []
assistant