diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index a9e829a..0a53d03 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -19,14 +19,17 @@ model Session {
 
   callId String @unique
   callerPhone String @unique
-  receiverPhone String? @unique
+  
+  operatorPhone String? @unique
+  operator Operator? @relation(fields: [operatorPhone], references: [phoneNumber])
+
   messages Message[]
 }
 
 enum Role {
   USER
   BOT
-  REP
+  OPERATOR
 }
 
 model Message {
@@ -39,3 +42,12 @@ model Message {
   session Session @relation(fields: [sessionId], references: [id])
   sessionId String @db.ObjectId
 }
+
+model Operator {
+  id String @id @default(auto()) @map("_id") @db.ObjectId
+  name String
+  phoneNumber String @unique
+  email String @unique
+
+  sessions Session[]
+}
diff --git a/src/session.js b/src/session.js
index 8867cd5..5fe4256 100644
--- a/src/session.js
+++ b/src/session.js
@@ -18,14 +18,14 @@ export const findSessionByCallId = async (callId) => {
   })
 }
 
-export const transferSession = async (callId, receiverPhone) => {
+export const transferSession = async (callId, operatorPhone) => {
   return await db.session.update({
     where: {
       callId: callId
     },
     data: {
       transferedAt: new Date(),
-      receiverPhone: receiverPhone
+      operatorPhone: operatorPhone
     }
   })
 }