Parse this person name:

Elvira Alcázar, 1426-1476, flourished 1443-1456
user
first_name: Elvira
last_name: Alcázar
middle_names: []
temporal:
- start: 1426
  end: 1476
  type: life_span
- start: 1443
  end: 1456
  type: flourished
titles: []
extra_info: []
assistant