When to schedule the call?

This is what BizQuando was looking for in their logo design

Our applications allows a user to check available calendar time-slots based on her/his calendar and on the one of the organization (to schedule the meeting with).
The Logo itself should not have a text - maybe showing two calendars overlapping or so.
Colors must work with bootstrap (http://getbootstrap.com/css/#helper-classes-colors)
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Prototype of apps: http://quando.bizfabrik.net/
Current logo to be improved: http://quando.bizfabrik.net/images/quando_64.png
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Looking for the following deliverables:
- logo in SVG, PNG (1024*1024px) - no Text
- header with logo and text "BizQuando"
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Follow-up project (extra payment) is page design. Read more