Form layout

Hello thanks for your awesome plugin!
I used on this website:

http://www.bookingbolzano.com/en/contatti/

but I would like to have this 3 fields:
Apartments – Check in – Check out
in the same row.

I would really apreciate your help! Thanks!

This is the code I used if you need it:

<div class="control-group name"><div><label class="control-label">Name<span class="form-required" title="Required field.">*</span></label></div>
                                        <div class="controls">
                                             [text* your-name]
                                        </div><!-- /.controls -->
                                    </div><!-- /.control-group --><div class="control-group email"><div><label class="control-label">Email<span class="form-required" title="Required field.">*</span></label></div>
                                        <div class="controls">
                                            [email* your-email]
                                        </div><!-- /.controls -->
                                    </div><!-- /.control-group -->

<div><label class="control-label">Appartaments<span class="form-required" title="Required field.">*</span></label></div>
[select* menu-438 "Ca' de Bezzi Blue" "Cà de Bezzi Violet" "Ca' de Bezzi Red" "Cà de Bezzi Brown" "Rosmini Red" "Rosmini Gray" "Appartamento Five" "Attico Vicolo Sabbia" "Gries" "Chalet Carezza 1" "Chalet Carezza 2" "Loft1" "Attico Frangarto" "Villa Missian" "Appartamento Eva" "Attico Sardegna" "Villa Tailandia"]

<div><label class="control-label">Check-in<span class="form-required" title="Required field.">*</span></label></div>
[date date-248]

<div><label class="control-label">Check-out<span class="form-required" title="Required field.">*</span></label></div>
[date date-773]

                                    <div class="control-group"><div><label class="control-label">Request<span class="form-required" title="Required field.">*</span></label></div>
                                        <div class="controls">
                                            [textarea your-message]
                                        </div><!-- /.controls -->
                                    </div><!-- /.control-group -->
                                    <div class="form-actions">
                                        <input type="submit" class="btn btn-primary arrow-right" value="Send">
                                    </div><!-- /.form-actions -->

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http://ww.wp.xz.cn/plugins/contact-form-7/