Typically you want to avoid taking advantage of your customers so they remain customers.They are businesses that have been driven to provide the lowest possible cost by us. Cheap is good!
Why should they give money back?
I would email or phone TPS. They also have a FB page.Typically you want to avoid taking advantage of your customers so they remain customers.
They're also saying on the TPS website you should be able to amend the ticket if you booked with the deal yet Avanti is refusing over the phone, which is odd regardless of your opinion.