Contacted you 13 days ago NO REPLY! SHOCKINGLY BAD SERVICE

Is there anybody actually working for your company? 13 days ago I wrote asking you to ensure that the change over occurs on the 1st of November instead of the the date you arbitrarily choose without consultation. I asked for electric and gas, you have apparently only done electric.
I am trying to set this up for a blind relative.
SHOCKINGLY BAD SERVICE