Parse this person name:

Robert Whitaker (1267-1318, flourished 1282-1309)
user
first_name: Robert
last_name: Whitaker
middle_names: []
temporal:
- start: 1267
  end: 1318
  type: life_span
- start: 1282
  end: 1309
  type: flourished
titles: []
extra_info: []
assistant