Parse this person name:

Amy Armstrong (1223-1284, flourished 1241-1257)
user
first_name: Amy
last_name: Armstrong
middle_names: []
temporal:
- start: 1223
  end: 1284
  type: life_span
- start: 1241
  end: 1257
  type: flourished
titles: []
extra_info: []
assistant