Parse this person name:

Ernest Boyd, 1254-1298, flourished 1270-1293
user
first_name: Ernest
last_name: Boyd
middle_names: []
temporal:
- start: 1254
  end: 1298
  type: life_span
- start: 1270
  end: 1293
  type: flourished
titles: []
extra_info: []
assistant