Parse this person name:

Lindsay Beasley, 1228-1268, flourished 1246-1257
user
first_name: Lindsay
last_name: Beasley
middle_names: []
temporal:
- start: 1228
  end: 1268
  type: life_span
- start: 1246
  end: 1257
  type: flourished
titles: []
extra_info: []
assistant