Parse this person name:

Elizabeth Rivera, 1320-1393, flourished 1342-1352
user
first_name: Elizabeth
last_name: Rivera
middle_names: []
temporal:
- start: 1320
  end: 1393
  type: life_span
- start: 1342
  end: 1352
  type: flourished
titles: []
extra_info: []
assistant