I am expecting a better service from mr Shopper

I have order more than 5 times on from Mr Shopper. the first time I used them I received a good service and my order was delivered on time I received good service on my first 3 orders. On my 4th order my delivery date was extended by a week they told me If I could not wait they would process a refund for me. I decided to wait and eventually got my order. I am currently waiting for my recent ordered, they communicated with me telling me that my order has been further delayed. I was really expecting delivery this week because I will be going on holiday. The service this time around is not very pleasent