Parse this person name:

Corinna Stey (1815-1873, flourished 1833-1850)
user
first_name: Corinna
last_name: Stey
middle_names: []
temporal:
- start: 1815
  end: 1873
  type: life_span
- start: 1833
  end: 1850
  type: flourished
titles: []
extra_info: []
assistant