I have been a customer of their since January and ...

I have been a customer of their since January and for a displacement of the meter I find myself without service for about 7 days, I keep calling but there is a rebound of blame between engie and italgas.
I wonder in 2017 how it is possible to have this type of inconvenience, we have no hot water and no possibility to cook. And according to them, the situation is also normal