Parse this person name:

Denise Vallet (1420-1491, flourished 1441-1458)
user
first_name: Denise
last_name: Vallet
middle_names: []
temporal:
- start: 1420
  end: 1491
  type: life_span
- start: 1441
  end: 1458
  type: flourished
titles: []
extra_info: []
assistant