Parse this person name:

Sarah Reynolds, 1949-2012, flourished 1972-1991
user
first_name: Sarah
last_name: Reynolds
middle_names: []
temporal:
- start: 1949
  end: 2012
  type: life_span
- start: 1972
  end: 1991
  type: flourished
titles: []
extra_info: []
assistant