Parse this person name:

Isabelle Speer, 1333-1394, flourished 1355-1376
user
first_name: Isabelle
last_name: Speer
middle_names: []
temporal:
- start: 1333
  end: 1394
  type: life_span
- start: 1355
  end: 1376
  type: flourished
titles: []
extra_info: []
assistant