i need some help for front end side. i have below picture i want to design form like below picture in bootstrap but in bootstrap how do this please help check my below html. 

```
 <div class="col-sm-2">                                    
                                            <label>Flight No</label>
                                            <input type="text" class="form-control" placeholder="Agent Name">                                        
                                    </div>
                                    <div class="col-md-2">
                                        <div class="form-group">
                                            <label>Departure Date</label>
                                            <input type="text" class="form-control" placeholder="Voucher No">
                                        </div>
                                    </div>
                                    <div class="col-md-1">
                                        <div class="form-group">
                                            <label for="exampleInputEmail1">D/Time</label>
                                            <input type="email" class="form-control" placeholder="Reference">
                                        </div>
                                    </div>
                                    <div class="col-md-2">
                                        <div class="form-group">
                                            <label for="exampleInputEmail1">Arrival Date</label>
                                            <input type="email" class="form-control" placeholder="Sub-Agent Name">
                                        </div>
                                    </div>
                                    <div class="col-md-1">
                                        <div class="form-group">
                                            <label>A/Time</label>
                                            <input type="text" class="form-control" placeholder="Agent Name">
                                        </div>
                                    </div>
                                    <div class="col-md-2">
                                        <div class="form-group">
                                            <label>Arrival Sector</label>
                                            <input type="text" style="width: 20px;" class="form-control" placeholder="Voucher No">
                                            <input type="text" style="width: 30px;" class="form-control" placeholder="Voucher No">
                                        </div>
                                    </div>
                                    <div class="col-md-2">
                                        <div class="form-group">
                                            <label for="exampleInputEmail1">Terminal</label>
                                            <input type="email" class="form-control" placeholder="Reference">
                                        </div>
                                    </div>

```

i want like this
[![i want like this](https://i.stack.imgur.com/vTaTJ.jpg)](https://i.stack.imgur.com/vTaTJ.jpg)

my bootstrap
[![enter image description here](https://i.stack.imgur.com/UjwYR.jpg)](https://i.stack.imgur.com/UjwYR.jpg)