Parse this person name:

Tony Rivas, 1718-1763, flourished 1748-1758
user
first_name: Tony
last_name: Rivas
middle_names: []
temporal:
- start: 1718
  end: 1763
  type: life_span
- start: 1748
  end: 1758
  type: flourished
titles: []
extra_info: []
assistant