Parse this person name:

John Greene, 1218-1278, flourished 1242-1253
user
first_name: John
last_name: Greene
middle_names: []
temporal:
- start: 1218
  end: 1278
  type: life_span
- start: 1242
  end: 1253
  type: flourished
titles: []
extra_info: []
assistant