Are you fedup of delays on your journey provided by GreaterAnglia ? Have you got 10 days to await them to respond to a case number they have assigned you only to return you some nonsense ?  Soon to come a script to check your mailbox and if no response to email asking them for a response on the case number - basically to hammer their mail system once per minute until they either get their act sorted and respond in a good time  or provide a service that they are meant to provide