Parse this person name:

Alexandra Robinson, 1342-1391, flourished 1364-1384
user
first_name: Alexandra
last_name: Robinson
middle_names: []
temporal:
- start: 1342
  end: 1391
  type: life_span
- start: 1364
  end: 1384
  type: flourished
titles: []
extra_info: []
assistant