Yep, I totally agree.
To be honest, it was ages ago now and it might not even have been to secure the booking, Could have been one of the other classics like 'send me some cash to top up my phone and I'll call you.' Bottom line, I was naive and stupid but thought it would be ok as I was already a 'trusted customer'. Just goes to show that there is sometimes little in the way of loyalty or decency if there is a quick quid to be found.
Still......she lost out in the long run though as I've spent a small fortune over the years and she could have got a lot more out of me if she had been more genuine.