Parse this person name:

Cynthia Russell (1250-1315, flourished 1272-1297)
user
first_name: Cynthia
last_name: Russell
middle_names: []
temporal:
- start: 1250
  end: 1315
  type: life_span
- start: 1272
  end: 1297
  type: flourished
titles: []
extra_info: []
assistant