Parse this person name:

Sylvia Erickson, 1315-1370, flourished 1331-1360
user
first_name: Sylvia
last_name: Erickson
middle_names: []
temporal:
- start: 1315
  end: 1370
  type: life_span
- start: 1331
  end: 1360
  type: flourished
titles: []
extra_info: []
assistant