You can edit your save file to enable the trip. search for:
{\"rid\":3536,\"type\":{\"class\":\"ValueBool\",\"ns\":\"GameCreator.Runtime.Variables\",\"asm\":\"GameCreator.Runtime.Core\"},\"data\":{\"m_Breakpoint\":false,\"m_IsEnabled\":true,\"m_Value\":false}}
and exchange it for:
{\"rid\":3536,\"type\":{\"class\":\"ValueBool\",\"ns\":\"GameCreator.Runtime.Variables\",\"asm\":\"GameCreator.Runtime.Core\"},\"data\":{\"m_Breakpoint\":false,\"m_IsEnabled\":true,\"m_Value\":true}}
(3536 = adrian-vacation-unlocked)