- "Vorname (P1)" is a required field.
- "Nachname (P1)" is a required field.
- "E-Mail (P1)" is a required field.
- "Telefon (P1)" is a required field.
- "Vorname (P2)" is a required field.
- "Nachname (P2)" is a required field.
- "E-Mail (P2)" is a required field.
- "Telefon (P2)" is a required field.
- "Flughafen (Ankunft)" is a required field.
- "Flughafen (Abreise)" is a required field.