Parse this person name:

Steven Malone (1429-1481, flourished 1452-1473)
user
first_name: Steven
last_name: Malone
middle_names: []
temporal:
- start: 1429
  end: 1481
  type: life_span
- start: 1452
  end: 1473
  type: flourished
titles: []
extra_info: []
assistant