The Fourth Law of Robotics:

The robot's owner shall not weasel out of a binding contractual relationship. OK, wrong science fiction author, but that's what is held by Hanson v. America West Airlines (per illustrious UCLA Law grad Judge Andrew Guilford):

Plaintiff David Hanson ... has lost his head. More specifically, Plaintiff has lost an artistically and scientifically valuable robotic head modeled after famous science fiction author Philip K. Dick (“Head”).... His stories have questioned whether robots can be human (see, e.g., Do Androids Dream of Electric Sheep? (1968)), so it seems appropriate that Plaintiff reincarnated Dick as a robot which included the Head, valued at around $750,000.

Plaintiff lost his Head on one of Defendant’s planes when flying from Texas to San Francisco with a connection in Las Vegas.... Plaintiff brought the Head onto the plane in a carry-on duffel bag and stored it in the overhead bin. Plaintiff fell asleep during the flight from Texas to Las Vegas, and woke up when the plane arrived in Las Vegas. On waking, Plaintiff immediately left the plane to catch his connecting flight to San Francisco. Perhaps because he had just woken up, Plaintiff lacked the total recall to remember to retrieve the Head from the overhead bin....

Federal common law allows a carrier to limit its liability for lost or damaged goods if the contract limiting liability offers the shipper (1) reasonable notice of the limited liability, and (2) a fair opportunity to buy higher liability. Defendant has satisfied the elements of an enforceable limited liability provision under federal common law....

Philip K. Dick and other science fiction luminaries have often explored whether robots might eventually evolve to exercise freedom of choice. See, e.g., 2001: A Space Odyssey (a HAL 9000 exercises his freedom of choice to make some bad decisions). But there is no doubt that humans have the freedom of choice to bind themselves in mutually advantageous contractual relationships. When Plaintiff chose to enter the Contract of Carriage with Defendant he agreed, among other things, to limit Defendant’s liability for lost baggage. Failing to show that he is entitled to relief from that agreement, Plaintiff is bound by the terms of that contract, which bars his state law claims.

Plus another cute line: "Defendant may have done everything as promised, only to fall victim to a head hunting thief or other skullduggery."