Parse this person name:

Sarah Shaffer (1338-1410, flourished 1362-1390)
user
first_name: Sarah
last_name: Shaffer
middle_names: []
temporal:
- start: 1338
  end: 1410
  type: life_span
- start: 1362
  end: 1390
  type: flourished
titles: []
extra_info: []
assistant