Claim for damages by traveller arising out of breach of contract by travel company — Effect of implied warranty under s 74(1) of the Trade Practices Act, 1974 (Cth) — Exclusion of implied warranty if services rendered were recreational services — Application of S 5N of the Civil Liability Act 2002 (NSW) and consideration of definition of recreation services — Assessment of damages for non-economic loss and loss of disappointment caused by breach of contract to provide holiday.