I was traveling in the U.S with Flixbus. I already understand and agree to their policy regarding vouchers-- they don't really disclose this clearly, but when you cancel a ride and get a "refund" for it, what it really is, is a voucher for less than half of what you had paid for the cancelled trip to be used for another Flixbus trip. It's not the greatest, but seeing as the tickets are dirt cheap anyway, I was fine with it. What I was not fine with, is that Flixbus does NOT make a customer service number clear for US riders to call without having to pay international fees. The number is a German number. When I made the call to discuss my cancellation with the customer service department (due to bad weather, terrible winter storm), they charged me 3 dollars per minute to my phone service provider. I got charged for the entire duration of my very short phone calls-- most of the time that was spent with those calls, was waiting. In total, I got billed for $132 to call the one customer service line I could find for Flixbus. I successfully disputed this with my phone service company, but Flixbus provided no help whatsoever in regards to any compensation. Don't expect any particularly responsive or helpful customer service. They save their own skin and don't compensate you for additional costs for circumstances outside of your control. I got 6 dollars back, through a voucher for Flixbus only, for this entire ordeal.