need combo box in light box configuration.


I need to know is it possible to add another combo box just like rooms combo box. i used below code but i did not get any output.

var sections=[
{key:1, label:“Section A”},
{key:2, label:“Section B”},
{key:3, label:“Section C”},
{key:4, label:“Section D”}

But i need phone no of each booking users so that they select their respective phone no and they save.for that i used code just the same as room combo box but still i did not stuck with this can you help.