```yml
Paris:
  - Amiens: "09:00 - 10:30 (NAME_1)"
  - NAME_2: "15:30 - 18:45 (NAME_3)"
  - NAME_4: "14:00 - 15:15 (NAME_5)"
  - Marseille: "13:00 - 18:15 (NAME_6)"
  - NAME_7: "07:45 - 11:15 (NAME_8)"
Amiens:
  - Paris: "09:00 - 10:30 (NAME_9)"
  - NAME_4: "08:15 - 09:30 (NAME_10)"
  - NAME_2: "11:00 - 15:15 (NAME_11)"
NAME_4:
  - Paris: "11:45 - 13:00 (NAME_12)"
  - Amiens: "08:15 - 09:30 (NAME_13)"
NAME_2:
  - Paris: "15:30 - 18:45 (NAME_14)"
  - Amiens: "11:00 - 15:15 (NAME_15)"
  - Marseille: "09:30 - 12:45 (NAME_16)"
Marseille:
  - Paris: "13:00 - 18:15 (NAME_17)"
  - NAME_2: "09:30 - 12:45 (NAME_18)"
  - NAME_7: "10:00 - 14:30 (NAME_19)"
NAME_7:
  - Paris: "07:45 - 11:15 (NAME_13)"
  - Marseille: "10:00 - 14:30 (NAME_20)"
```
Convert the previous yml to json