Use Refresh Trips to pull any unsaved trips that occurred on a specific date.
On the Trips tab, tap the 'Refresh Trips' button, select a specific date, and press OK. If there are any unsaved trips for the date selected, you'll see a "Trip(s) created" notification and the unsaved trip(s) will populate in the Trips tab for the specified date.
Don't forget to fill in the Trip details for any unsaved trips.