Parse this person name:

Samuel Porter, 1412-1471, flourished 1429-1450
user
first_name: Samuel
last_name: Porter
middle_names: []
temporal:
- start: 1412
  end: 1471
  type: life_span
- start: 1429
  end: 1450
  type: flourished
titles: []
extra_info: []
assistant