Originally Posted by
somedude3210
AC isn't letting me give them money this morning. Trying to book a multi-city trip and I can't get through the booking. Can get flights selected, passenger info provided, but can't get to seat selection or payment page. Tried multiple browsers (desktop and mobile).
One thing that worked for me in the past when that happened was to change the language. I think that you can even do this just at the CC page, or else go through the whole thing in French (it's pretty self-explanatory if you are used to their site).