Parse this person name:

Tom Jackson, 1257-1301, flourished 1284-1296
user
first_name: Tom
last_name: Jackson
middle_names: []
temporal:
- start: 1257
  end: 1301
  type: life_span
- start: 1284
  end: 1296
  type: flourished
titles: []
extra_info: []
assistant