It should appear for a number of scenarios including reservations, hotels, flights, and even package tracking.
Inbox by Gmail: Snooze to just the right time| Gmail Blog
Inbox by Gmail Adds More Intelligent Snooze Alerts for Emails with Dates
One of Inbox by Gmail ’s best features (aside from a silly name) is the ability to “snooze” emails until later. Now that feature is getting better fo
