diff --git a/booking-faces/src/main/java/org/springframework/webflow/samples/booking/ReferenceData.java b/booking-faces/src/main/java/org/springframework/webflow/samples/booking/ReferenceData.java
index 8d3bc2f..9754bc9 100644
--- a/booking-faces/src/main/java/org/springframework/webflow/samples/booking/ReferenceData.java
+++ b/booking-faces/src/main/java/org/springframework/webflow/samples/booking/ReferenceData.java
@@ -1,6 +1,7 @@
 package org.springframework.webflow.samples.booking;
 
 import java.util.ArrayList;
+import java.util.Calendar;
 import java.util.List;
 
 import javax.faces.model.SelectItem;