Parse this person name:

Brittany Bates (1222-1275, flourished 1239-1251)
user
first_name: Brittany
last_name: Bates
middle_names: []
temporal:
- start: 1222
  end: 1275
  type: life_span
- start: 1239
  end: 1251
  type: flourished
titles: []
extra_info: []
assistant