815 ILCS 420/5

(a) In the event the transportation contracted for is canceled through no fault of the passenger, and unless the passenger otherwise advises the travel promoter in writing, the travel promoter shall promptly return to the passenger all money paid for services not performed and goods not delivered in accordance with the contract.

(b) Any misrepresentation with regard to the date, time and place of any departure or arrival, the type of aircraft, ship or other mode of transportation, or other material element of the contract shall be deemed to be a cancellation necessitating the refund required by this Section.