Parse this person name:

Sheri Brock, 1430-1492, flourished 1449-1467
user
first_name: Sheri
last_name: Brock
middle_names: []
temporal:
- start: 1430
  end: 1492
  type: life_span
- start: 1449
  end: 1467
  type: flourished
titles: []
extra_info: []
assistant