Parse this person name:

Constance Plath, 1834-1891, flourished 1863-1885
user
first_name: Constance
last_name: Plath
middle_names: []
temporal:
- start: 1834
  end: 1891
  type: life_span
- start: 1863
  end: 1885
  type: flourished
titles: []
extra_info: []
assistant