Parse this person name:

Gary Johnson (1779-1836, flourished 1796-1817)
user
first_name: Gary
last_name: Johnson
middle_names: []
temporal:
- start: 1779
  end: 1836
  type: life_span
- start: 1796
  end: 1817
  type: flourished
titles: []
extra_info: []
assistant