Parse this person name:

Dionisio Vergara, 1425-1473, flourished 1440-1468
user
first_name: Dionisio
last_name: Vergara
middle_names: []
temporal:
- start: 1425
  end: 1473
  type: life_span
- start: 1440
  end: 1468
  type: flourished
titles: []
extra_info: []
assistant