Parse this person name:

Kenneth Davis, 1227-1282, flourished 1242-1264
user
first_name: Kenneth
last_name: Davis
middle_names: []
temporal:
- start: 1227
  end: 1282
  type: life_span
- start: 1242
  end: 1264
  type: flourished
titles: []
extra_info: []
assistant