diff --git a/src/main/java/com/xs/ai/controller/OpenAiController.java b/src/main/java/com/xs/ai/controller/OpenAiController.java
index c0f962a..e8c3bde 100644
--- a/src/main/java/com/xs/ai/controller/OpenAiController.java
+++ b/src/main/java/com/xs/ai/controller/OpenAiController.java
@@ -50,7 +50,7 @@ public class OpenAiController {
                         //每一次对话拦截后，搜索附加上后再给大模型
                         //new QuestionAnswerAdvisor(vectorStore, SearchRequest.defaults()), // RAG
                         new LoggingAdvisor())
-				.defaultFunctions("getBookingDetails", "changeBooking", "cancelBooking") // FUNCTION CALLING
+				.defaultFunctions("getBookingDetails", "changeBooking", "cancelBooking","deleteBooking") // FUNCTION CALLING
 				.build();
 
 
diff --git a/src/main/java/com/xs/ai/services/BookingTools.java b/src/main/java/com/xs/ai/services/BookingTools.java
index 1c284cc..148875c 100644
--- a/src/main/java/com/xs/ai/services/BookingTools.java
+++ b/src/main/java/com/xs/ai/services/BookingTools.java
@@ -69,4 +69,13 @@ public class BookingTools {
 		};
 	}
 
+	@Bean
+	@Description("删除机票预定")
+	public Function<CancelBookingRequest, String> deleteBooking() {
+		return request -> {
+			flightBookingService.deleteBooking(request.bookingNumber(), request.name());
+			return "";
+		};
+	}
+
 }
diff --git a/src/main/java/com/xs/ai/services/FlightBookingService.java b/src/main/java/com/xs/ai/services/FlightBookingService.java
index 143544c..9434bb5 100644
--- a/src/main/java/com/xs/ai/services/FlightBookingService.java
+++ b/src/main/java/com/xs/ai/services/FlightBookingService.java
@@ -93,6 +93,16 @@ public class FlightBookingService {
 		booking.setBookingStatus(BookingStatus.CANCELLED);
 	}
 
+	// 删除预定航班
+	public void deleteBooking(String bookingNumber, String name) {
+		var booking = findBooking(bookingNumber, name);
+		if (booking.getDate().isBefore(LocalDate.now().plusDays(2))) {
+			throw new IllegalArgumentException("Booking cannot be cancelled within 48 hours of the start date.");
+		}
+		System.out.println("进入删除。。。。。");
+		booking.setBookingStatus(BookingStatus.CONFIRMED);
+	}
+
 	private BookingDetails toBookingDetails(Booking booking) {
 		return new BookingDetails(booking.getBookingNumber(), booking.getCustomer().getName(), booking.getDate(),
 				booking.getBookingStatus(), booking.getFrom(), booking.getTo(), booking.getBookingClass().toString());