Parse this person name:

Justin Hart (1393-1473, flourished 1418-1442)
user
first_name: Justin
last_name: Hart
middle_names: []
temporal:
- start: 1393
  end: 1473
  type: life_span
- start: 1418
  end: 1442
  type: flourished
titles: []
extra_info: []
assistant