Package holiday

What should I do if the organizer significantly modify some essential elements of my contract before travel departure? I have a reservation made in a Spanish travel agency, may I pass it on to another person? What if either the organizer or the dealer does not confirm your reservation? what is the adequate procedure to claim against my Spanish travel agency?

Overbooking

I’ve been denied boarding even when I had my reservation confirmed, what should I do? May I claim for compensation?

Compensations for missing luggage

What should I do if I have my luggage delayed, damaged or missing? do I have to file a claim within a certain time period? what if my luggage contained some valuable items.