Parse this person name:

Casper Langevoort, 1402-1469, flourished 1432-1456
user
first_name: Casper
last_name: Langevoort
middle_names: []
temporal:
- start: 1402
  end: 1469
  type: life_span
- start: 1432
  end: 1456
  type: flourished
titles: []
extra_info: []
assistant