diff --git a/src/model/ticket.ts b/src/model/ticket.ts
index 2268f48..6a36d9b 100644
--- a/src/model/ticket.ts
+++ b/src/model/ticket.ts
@@ -7,6 +7,7 @@ export interface CreateTicketRequest {
 
 export interface CreateTicketResponse {
     Ticket: string;
+    sess: string;
 };
 
 export interface SendTicketMessageRequest {
@@ -59,7 +60,7 @@ export interface TicketMessage {
 export interface GetMessagesRequest {
     amt: number;
     page: number;
-    srch: string;
+    srch?: string;
     ticket: string;
 };