To reschedule an appointment for installation or repair, or to confirm anu00a0 appointment, you can chat with us.To confirm an appointment, a Comcast representative will contact you.u00a0 If youu00a0 ordered services on Comcast.com, please be sure to save your screen confirmation that indicates the dates and times you have selected.u00a0 Follow the link below to chat!http://www.comcastsupport.com/ch...