Parse this person name:

Cynthia Hamilton (1834-1909, flourished 1854-1875)
user
first_name: Cynthia
last_name: Hamilton
middle_names: []
temporal:
- start: 1834
  end: 1909
  type: life_span
- start: 1854
  end: 1875
  type: flourished
titles: []
extra_info: []
assistant