Parse this person name:

William Olson (1496-1552, flourished 1518-1539)
user
first_name: William
last_name: Olson
middle_names: []
temporal:
- start: 1496
  end: 1552
  type: life_span
- start: 1518
  end: 1539
  type: flourished
titles: []
extra_info: []
assistant