I just wish we could call in and just pay the $150 change fee and have them issue the balance of the ticket in the form of a travel voucher that can be redeemed online. With the fare class rules with regards to frequent flier mile accrual, they are really messing us over when we have to call in to book an L fare (at 50% accrual) because the system can't seem to handle doing online ticket changes appropriately.