Parse this person name:

Constance Valentin (1808-1863, flourished 1830-1846)
user
first_name: Constance
last_name: Valentin
middle_names: []
temporal:
- start: 1808
  end: 1863
  type: life_span
- start: 1830
  end: 1846
  type: flourished
titles: []
extra_info: []
assistant