Parse this person name:

Ravi Dirksen, 1214-1259, flourished 1234-1254
user
first_name: Ravi
last_name: Dirksen
middle_names: []
temporal:
- start: 1214
  end: 1259
  type: life_span
- start: 1234
  end: 1254
  type: flourished
titles: []
extra_info: []
assistant