Flow Designer : Incident Awaiting Caller Reminder Notifications and Auto Resolving Incident

[DhanrajU]

Hello,

I am Dhanraj Udata, I am facing one issue in Flow Designer which is Cancellation of Flow using Script Step through

sn_fd.FlowAPI.cancel(); syntax in Actions my flow state is not getting cancelled. I have done this Use Case by watching the video on Youtube Flow Designer : Incident Awaiting Caller Reminder Notifications and Auto Resolving Incident through this Link: https://www.youtube.com/watch?v=5j_pPmPxWJo 
He got the results but I am not getting it. Please refer this video and see how he implemented it. Please help me solve my issue by checking the issues in the screenshots uploaded below, which I have done in my ServiceNow instance.