How do I cancel internet service agreement renewal?

And technician appointment. 

I accepted an offer to renew my internet service agreement for another two years with better speeds. Unfortunately, the price I'm seeing on this new service agreement is not what was advertised on the MyTelus website, and I'd like to cancel it without affecting my current service agreement. The new service agreement that I want to cancel doesn't come into effect until Jan. 8th (when the technician arrives), and my current agreement, that I want to keep, is valid until the end of February.

Is any part of this process do-able online via the MyTelus portal (checked already, but maybe I checked the wrong places) or perhaps through support chat? I don't want to wait on hold any more.