Parse this person name:

John Klein (1457-1497, flourished 1483-1492)
user
first_name: John
last_name: Klein
middle_names: []
temporal:
- start: 1457
  end: 1497
  type: life_span
- start: 1483
  end: 1492
  type: flourished
titles: []
extra_info: []
assistant