When you create a meeting, you choose a time and date for the meeting to take place. Once you click on the blue "Attendees" link to invite others to your meeting, you also have the option of choosing additional dates and/or times that the meeting can take place. Your invitees will then receive an email invite where they're asked to vote on when they'd like your meeting to take place.

First, you'll need to create a meeting. Follow the steps in the image below:

After you've created your meeting you'll need to click on the blue "Attendees" link and then click on the "+" sign to choose alternative days and times for your meeting. Follow the steps in the image below:


After you've selected your additional meeting times/dates that you want your invitees to vote on, you'll also need to choose your invitees. When you select your invitees and click on the green "Save" button your invitees will then be sent an invitation to vote on their preference of meeting time/date. They'll receive an invitation similar to the one below:

When your invitees have submitted their meeting time/date preferences, their votes will show up in the "Attendees" dialog for your meeting. You can then choose a time/date for the meeting based on your invitees' votes and your invitees will be sent a new email notification with the selected time/date for the meeting.