In the last of the series, Angela Rippon, Gloria Hunniford and Julia Somerville expose secrets of the airline, testing out if it's really true that airlines are snooping on your flight searches in order to hike up fares. Also today, how you might experience the biggest delays by flying on a smaller airline, and why, if it turns out your flight isn't on the airline you booked with, you could end up hundreds of pounds out of pocket if things go wrong. Plus, Simon Calder has tips on visiting Dubai.