Guests can be informed of last-minute course changes (e.g. the course is cancelled due to bad weather) via the [Journal](https://waldhart.zendesk.com/hc/de/articles/360002750913). You can search for guests with the relevant criteria under [Sales](https://waldhart.zendesk.com/hc/de/articles/360002725074) – [Journal](https://waldhart.zendesk.com/hc/de/articles/360002750913) using the Advanced Search. It is important to tick the Valid from / to box and set the appropriate period. You could also ...