Parse this person name:

Heather Hart (1503-1558, flourished 1518-1545)
user
first_name: Heather
last_name: Hart
middle_names: []
temporal:
- start: 1503
  end: 1558
  type: life_span
- start: 1518
  end: 1545
  type: flourished
titles: []
extra_info: []
assistant