Parse this person name:

Kelly Johnson (1621-1696, flourished 1649-1667)
user
first_name: Kelly
last_name: Johnson
middle_names: []
temporal:
- start: 1621
  end: 1696
  type: life_span
- start: 1649
  end: 1667
  type: flourished
titles: []
extra_info: []
assistant