Parse this person name:

Kelly Porter (1757-1812, flourished 1775-1800)
user
first_name: Kelly
last_name: Porter
middle_names: []
temporal:
- start: 1757
  end: 1812
  type: life_span
- start: 1775
  end: 1800
  type: flourished
titles: []
extra_info: []
assistant