Parse this person name:

Robert Bush (1448-1506, flourished 1467-1490)
user
first_name: Robert
last_name: Bush
middle_names: []
temporal:
- start: 1448
  end: 1506
  type: life_span
- start: 1467
  end: 1490
  type: flourished
titles: []
extra_info: []
assistant