Withdrawal not processed, lack of support

My username = arie1985uk

I am trying to withdraw £90 from my account and I'm not receiving it.
I passed verification and received an email from MrRingo that I'm verified.

When I deposited £60 with my card there was no problem and it went through smoothly.
They submitted "Denied" payments to my card (see screenshot enclosed) of my £90 withdrawal less their 3% withdrawal fee.

Also they lied to me in chat - in chat with them yesterday in the evening on 26/04 Valentina told me:

Valentina
My apologies sir
I left a note for our finance department
But unfortuantly our finance department don't work today anymore.

Me
What are their hours of operation?

Valentina
8 to 16

I told her in the chat if it's not being handled as they promised me I will write a complaint - surprisingly she could process the withdrawal without waiting for finance - next day she tried again but only whilst I was in chat, I have to chase them to get it done.

Now they don't help, it's hard to reach them, they barely work 6-7 hours per day in the chat, so it's a very limited timeframe to get hold of someone (most other respected websites have a 24/7 chat or phone support which this site doesn't have!)

It's £90, not a huge amount yet they give me so many hassles to get the funds back.
I told them if they have a problem with their own credit card processors (purposely or not) they can pay it back to my bank account or via other methods but they just don't respond!

I've been in chat now opened in my browser for over 3 hours, they barely write me a message every 20 minutes and that's a very vague one!

Please AskGamblers - help me get my £90 back.
Username = arie1985uk