'Request' ignores specified form

I am trying to submit form on website using 'request' module. But despite any specified fields (time range is '2015-03-14', for example) I get back in response page for default form (time range is last week). So, problem is I submit form, but get back data for default one.

I don't see where my request is wrong or what additional actions I need to make in order to get responce with data for my time range. Help please!

var request = require('request'),
    cheerio = require('cheerio');

var options = {
    url: 'http://ift.tt/19b5Qai',
    headers: {
        'User-Agent': 'Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.101 Safari/537.36'
    },
    form:{
        dateFrom: '2015-03-14',
        dateTo: '2015-03-14'        
    }
};

function callback(error, response, body) {
    if (!error && response.statusCode == 200) {
        var $ = cheerio.load(body); 
        $('#ecEventsTable tr[event_attr_id]').each(function() {
            var cols = $(this).find('td')
            var econ_event = {
                time: $(this).attr('event_timestamp'),
                country: $(cols['1']).find('span').attr('title'),
                descriptrion: $(cols['3']).text().trim()
            }
            console.log(econ_event['time']);
        })
    }
}

request.post(options, callback);