Parse this person name:

Cassandra Pontecorvo, 1833-1904, flourished 1862-1873
user
first_name: Cassandra
last_name: Pontecorvo
middle_names: []
temporal:
- start: 1833
  end: 1904
  type: life_span
- start: 1862
  end: 1873
  type: flourished
titles: []
extra_info: []
assistant