private async void OnCancelReservation(object sender, EventArgs e) { bool answer = await DisplayAlert("Cancel Reservation", "Are you sure?", "Accept", "Cancel"); if (answer) { var reservation = new Reservation { Id_Route = route.Id, Id_User = currentUser.Id, Id_Owner = route.Id_User }; IsBusy = true; await reservationsManager.DeleteReservationAsync(reservation); IsBusy = false; await DisplayAlert("Success", "Reservation Canceled", "Accept"); await Navigation.PopAsync(true); } }