add phone

db/index.ts

@@ -48,6 +48,7 @@ export async function createBooking({
   destination,
   name,
   email,
+  phone,
   street,
   zip,
   city,
@@ -80,7 +81,7 @@ export async function createBooking({
 
   let booker = await BookerModel.findOne({ email }).exec()
   if (!booker) {
-    booker = new BookerModel({ name, email, street, zip, city })
+    booker = new BookerModel({ name, email, phone, street, zip, city })
     await booker.save()
   }