Parse this person name:

Elena Kramer (1205-1260, flourished 1228-1249)
user
first_name: Elena
last_name: Kramer
middle_names: []
temporal:
- start: 1205
  end: 1260
  type: life_span
- start: 1228
  end: 1249
  type: flourished
titles: []
extra_info: []
assistant