Parse this person name:

Cassandra Ceri (1252-1321, flourished 1277-1289)
user
first_name: Cassandra
last_name: Ceri
middle_names: []
temporal:
- start: 1252
  end: 1321
  type: life_span
- start: 1277
  end: 1289
  type: flourished
titles: []
extra_info: []
assistant