Parse this person name:

Joseph Porter, 1868-1918, flourished 1891-1913
user
first_name: Joseph
last_name: Porter
middle_names: []
temporal:
- start: 1868
  end: 1918
  type: life_span
- start: 1891
  end: 1913
  type: flourished
titles: []
extra_info: []
assistant