Thomas CookNSE -1.89 % (India) chairman Madhavan Menon said the Jet AirwaysNSE 0.69 % crisis is a warning sign and that the frequent disruption in the civil aviation industry can be sorted out only when the government fixes “structural requirements” such as the high taxes imposed on aviation turbine fuel. In an interview with Nehal Chaliawala and Satish John, he said he was confident that his company could compete with banks for forex business and that “assisted travel” would continue to be relevant in the travel market despite the advent of online travel portals. Edited excerpts: