The staff want proceeds my book because my barcode voucher unreadable by their phone, seems they don't really understand and knowing all type of voucher that their management sell in traveloka, by assumed that I only buying 60k voucher that for different requirements of services, and it's start made me mad when they took my phone too long inside somewhere I didn't see at all, and knowing that they open another windows view beside the voucher I want to redeem, knowing this by hear their communication