exchange/database/seeds/BookTableSeeder.php

<?php

use Illuminate\Database\Seeder;
use Carbon\Carbon;
use App\User;
use App\Rate;

class BookTableSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {   
        $user = User::where("email", "user@example.com")->first();
        $rate = Rate::all()->last();
        
        DB::table('bookings')->insert([
            'account_name' => 'milah',
            'account_num' => '99898', 
            'bank_name' => 'maybank', 
            'bank_branch' => 'rembau', 
            'company_name' => 'ICEF', 
            'company_address' => 'selangor', 
            'bank_address' => 'cyber', 
            'swift_code' => 'qwe123', 
            'cnap' => '123asd',
            'term' => 'x1',
            'amount' => 1.2,
            'rate_id' => $rate->id,
            'user_id' => $user->id,
            'created_at' => Carbon::now()->format('Y-m-d H:i:s'),
            'updated_at' => Carbon::now()->format('Y-m-d H:i:s'),
        ]);
    }
}