Parse this person name:

Regina Sierra, 1802-1863, flourished 1823-1841
user
first_name: Regina
last_name: Sierra
middle_names: []
temporal:
- start: 1802
  end: 1863
  type: life_span
- start: 1823
  end: 1841
  type: flourished
titles: []
extra_info: []
assistant