Mésmera acts only as an agent for the hotels, airlines, bus companies, railroads, ship lines, or owners or contractors providing accommodations, transportation or other services, and all receipts, contracts and tickets issued by Mésmera, or any of her affiliates or subsidiaries are not and/or shall not become liable or responsible for any loss, injury or damage to person, property or otherwise in connection with any accommodations, transportation, or other services, resulting directly or indirectly from any acts of God, dangers incident to the sea, fire, breakdown in machinery or equipment, acts of governments or other authorities, de jure or de facto, wars whether declared or not, hostilities, civil disturbances, strikes, riots, thefts, pilferage, epidemics, quarantines, medical or custom regulation, defaults, delays or cancellations of or changes in itinerary or schedules, or from any causes beyond Mésmera's control, or for any loss or damage resulting from insufficient or improperly issued papers, visas or other documents, and that neither Mésmera, or any of her affiliates or subsidiaries shall be or become liable or responsible for any additional expenses or liability sustained or incurred by the tour member as a result of any of the forgoing causes. The right is reserved to change hotels and alter itinerary or reverse the sequences of places to be visited as situations warrant. The right is reserved to cancel the tour prior to departure. If any tour must be withdrawn, our liability is limited to a full refund of monies received. Mésmera is not responsible or liable for defaults of those not directly under our control. The airlines concerned are not to be held responsible for any acts, omissions or events, during the time passengers are not on board their planes. The passenger contract in use by the airlines shall constitute the sole contract between the airlines and purchaser of these tours and/or passengers. Prices are subject to adjustment prior to final billing, 60 days prior to departure, if any of the above factors change.