Parse this person name:

Eva Samper (1798-1850, flourished 1820-1845)
user
first_name: Eva
last_name: Samper
middle_names: []
temporal:
- start: 1798
  end: 1850
  type: life_span
- start: 1820
  end: 1845
  type: flourished
titles: []
extra_info: []
assistant