Parse this person name:

Gregory Harris, 1412-1477, flourished 1431-1443
user
first_name: Gregory
last_name: Harris
middle_names: []
temporal:
- start: 1412
  end: 1477
  type: life_span
- start: 1431
  end: 1443
  type: flourished
titles: []
extra_info: []
assistant