diff --git a/app/Concert.php b/app/Concert.php
index 7f22bc3..c7761cf 100644
--- a/app/Concert.php
+++ b/app/Concert.php
@@ -56,13 +56,13 @@ class Concert extends Model
         return $this->createOrder($email, $tickets);
     }
 
-    public function reserveTickets($quantity)
+    public function reserveTickets($quantity, $email)
     {
         $tickets = $this->findTickets($quantity)->each(function ($ticket) {
             $ticket->reserve();
         });
 
-        return new Reservation($tickets);
+        return new Reservation($tickets, $email);
     }
 
     public function findTickets($quantity)
diff --git a/app/Http/Controllers/ConcertOrdersController.php b/app/Http/Controllers/ConcertOrdersController.php
index 6c11304..4bea797 100644
--- a/app/Http/Controllers/ConcertOrdersController.php
+++ b/app/Http/Controllers/ConcertOrdersController.php
@@ -31,13 +31,13 @@ class ConcertOrdersController extends Controller
 
         try {
             // Find some tickets
-            $reservation = $concert->reserveTickets(request('ticket_quantity'));
+            $reservation = $concert->reserveTickets(request('ticket_quantity'), request('email'));
 
             // Charge the customer for the tickets
             $this->paymentGateway->charge($reservation->totalCost(), request('payment_token'));
 
             // Create an order for those tickets
-            $order = Order::forTickets($reservation->tickets(), request('email'), $reservation->totalCost());
+            $order = Order::forTickets($reservation->tickets(), $reservation->email(), $reservation->totalCost());
 
             return response()->json($order, 201);
 
diff --git a/app/Reservation.php b/app/Reservation.php
index 49c1312..c6f69b6 100644
--- a/app/Reservation.php
+++ b/app/Reservation.php
@@ -5,10 +5,12 @@ namespace App;
 class Reservation
 {
     private $tickets;
+    private $email;
 
-    public function __construct($tickets)
+    public function __construct($tickets, $email)
     {
         $this->tickets = $tickets;
+        $this->email = $email;
     }
 
     public function totalCost()
@@ -21,6 +23,11 @@ class Reservation
         return $this->tickets;
     }
 
+    public function email()
+    {
+        return $this->email;
+    }
+
     public function cancel()
     {
         foreach ($this->tickets as $ticket) {
diff --git a/tests/unit/ConcertTest.php b/tests/unit/ConcertTest.php
index 3c4d575..4ce3f46 100644
--- a/tests/unit/ConcertTest.php
+++ b/tests/unit/ConcertTest.php
@@ -124,9 +124,10 @@ class ConcertTest extends TestCase
         $concert = factory(Concert::class)->create()->addTickets(3);
         $this->assertEquals(3, $concert->ticketsRemaining());
 
-        $reservation = $concert->reserveTickets(2);
+        $reservation = $concert->reserveTickets(2, 'john@example.com');
 
         $this->assertCount(2, $reservation->tickets());
+        $this->assertEquals('john@example.com', $reservation->email());
         $this->assertEquals(1, $concert->ticketsRemaining());
     }
 
@@ -137,7 +138,7 @@ class ConcertTest extends TestCase
         $concert->orderTickets('jane@example.com', 2);
 
         try {
-            $concert->reserveTickets(2);
+            $concert->reserveTickets(2, 'john@example.com');
         } catch (NotEnoughTicketsException $e) {
             $this->assertEquals(1, $concert->ticketsRemaining());
             return;
@@ -150,10 +151,10 @@ class ConcertTest extends TestCase
     function cannot_reserve_tickets_that_have_already_been_reserved()
     {
         $concert = factory(Concert::class)->create()->addTickets(3);
-        $concert->reserveTickets(2);
+        $concert->reserveTickets(2, 'jane@example.com');
 
         try {
-            $concert->reserveTickets(2);
+            $concert->reserveTickets(2, 'john@example.com');
         } catch (NotEnoughTicketsException $e) {
             $this->assertEquals(1, $concert->ticketsRemaining());
             return;
diff --git a/tests/unit/ReservationTest.php b/tests/unit/ReservationTest.php
index eba517c..4f0aea2 100644
--- a/tests/unit/ReservationTest.php
+++ b/tests/unit/ReservationTest.php
@@ -18,7 +18,7 @@ class ReservationTest extends TestCase
             (object) ['price' => 1200],
         ]);
 
-        $reservation = new Reservation($tickets);
+        $reservation = new Reservation($tickets, 'john@example.com');
 
         $this->assertEquals(3600, $reservation->totalCost());
     }
@@ -32,11 +32,19 @@ class ReservationTest extends TestCase
             (object) ['price' => 1200],
         ]);
 
-        $reservation = new Reservation($tickets);
+        $reservation = new Reservation($tickets, 'john@example.com');
 
         $this->assertEquals($tickets, $reservation->tickets());
     }
 
+    /** @test */
+    function retrieving_the_customers_email()
+    {
+        $reservation = new Reservation(collect(), 'john@example.com');
+
+        $this->assertEquals('john@example.com', $reservation->email());
+    }
+
     /** @test */
     function reserved_tickets_are_released_when_a_reservation_is_cancelled()
     {
@@ -46,7 +54,7 @@ class ReservationTest extends TestCase
             Mockery::spy(Ticket::class),
         ]);
 
-        $reservation = new Reservation($tickets);
+        $reservation = new Reservation($tickets, 'john@example.com');
 
         $reservation->cancel();