Originally Posted by
BigFlyer
I have never had an airline request passport information at the time of booking. That information is requested at check-in.
So look at the post and ignore passport #
Full Name as it's reflected on the id (although under 18 doesn't require ID except for intl travel, so that is a potential issue here), dob and sex will all be required at ticket purchase.
It's really the name that is an issue as it may not match the passport (50/50 on that one if they have made that decision) -- the rest would likely not even be noticed.