Parse this person name:

Richard Smith (1224-1276, flourished 1252-1266)
user
first_name: Richard
last_name: Smith
middle_names: []
temporal:
- start: 1224
  end: 1276
  type: life_span
- start: 1252
  end: 1266
  type: flourished
titles: []
extra_info: []
assistant