How to Create Chart on Pivot table.

Dear all,
i want to create two Chart on one Pivot Table. in below example i have outgoing call count and Cumulative Duration, now i want two chart base on Date & Outgoing call count and Date & Duration. while try to create chart it select all pivot area instead of particular fields.

Date Outgoing call Count Cumulative DURATION
26-Aug-13 13 1786
27-Aug-13 8 1429

Hope this is what you want see attached