Speaking of journey: you might be tempted to search for a power-only charging cable, but that’s outside the USB-C spec; any power-only cable is improperly wired by definition instead of definitely worth the possibility. Better to carry your personal charger and never plug your phone into somebody else’s USB port. https://phone-charging-stations10763.ltfblog.com/26317589/getting-my-macbook-charger-usb-c-to-work