Parse this person name:

Tracy Johnson, 1456-1505, flourished 1480-1493
user
first_name: Tracy
last_name: Johnson
middle_names: []
temporal:
- start: 1456
  end: 1505
  type: life_span
- start: 1480
  end: 1493
  type: flourished
titles: []
extra_info: []
assistant