Parse this person name:

Brianna Cross (1704-1768, flourished 1729-1753)
user
first_name: Brianna
last_name: Cross
middle_names: []
temporal:
- start: 1704
  end: 1768
  type: life_span
- start: 1729
  end: 1753
  type: flourished
titles: []
extra_info: []
assistant