Parse this person name:

Elisa van Oosten (1277-1337, flourished 1301-1321)
user
first_name: Elisa
last_name: van Oosten
middle_names: []
temporal:
- start: 1277
  end: 1337
  type: life_span
- start: 1301
  end: 1321
  type: flourished
titles: []
extra_info: []
assistant