Originally Posted by Fast6

Mmmmm, I'd tend to disagree. What if you need to pee in the middle of making a booking? She clicked through the purchase process without, apparently, encountering any timeout warnings, account signouts, etc, and the fare changed? That's not right. Sheesh, even when I order lunch at work, I have a timer from when the sandwich is placed into the cart telling me how long I have to complete the order.

Pretty sure that there are rules surrounding fare pricing in cases like this. Either the poster was gone for 10'+ and the fare was released (and/or she got signed out), or she got on the wrong side of a bug in the booking engine.