Parse this person name:

Sara Thomas (1267-1340, flourished 1284-1314)
user
first_name: Sara
last_name: Thomas
middle_names: []
temporal:
- start: 1267
  end: 1340
  type: life_span
- start: 1284
  end: 1314
  type: flourished
titles: []
extra_info: []
assistant