Parse this person name:

John Fleming (1752-1815, flourished 1767-1794)
user
first_name: John
last_name: Fleming
middle_names: []
temporal:
- start: 1752
  end: 1815
  type: life_span
- start: 1767
  end: 1794
  type: flourished
titles: []
extra_info: []
assistant