Extremely poor service. This is my first time orde...

Extremely poor service. This is my first time ordering and will likely be my last as I ordered my items on 7th July, and was told I should expect it by 12th July. I then called Asos on 13th and they tell me its out for delivery as soon possible (whatever that means), so I asked does that mean today, tomorrow? They tell me that can be in the next hour possibly but if it doesn't arrive before 19th July, then call us back because that will be a cause for concern...
IT'S ALREADY A BLOODY CAUSE FOR CONCERN!!

It's now 20th July and i still have not received my order. My new expected date of delivery is 23rd July! I am told i can get a refund if it doesn't arrive by then. Absolutely ridiculous!!! This is the first and last time i order anything through Asos.