Parse this person name:

Sara Riley, 1801-1881, flourished 1831-1842
user
first_name: Sara
last_name: Riley
middle_names: []
temporal:
- start: 1801
  end: 1881
  type: life_span
- start: 1831
  end: 1842
  type: flourished
titles: []
extra_info: []
assistant