Parse this person name:

Jason Sitters (1259-1330, flourished 1289-1299)
user
first_name: Jason
last_name: Sitters
middle_names: []
temporal:
- start: 1259
  end: 1330
  type: life_span
- start: 1289
  end: 1299
  type: flourished
titles: []
extra_info: []
assistant