Terrible experience at Starbucks First Place Linden

I ordered from the Starbucks in First Place, Linden through uber eats today and received a rude phone call from an employee there stating that an item I ordered was not available however I was told I will not recieve a refund. The employee’s tone was extremely rude and I was told I am being unreasonable when I asked what my options were since I was refused a refund for the item that was unavailable. The phone was then abruptly handed to another employee and 10 minutes later uber eats cancelled the rest of my order without any further explanation. To make matters worse, it is quite impossible to contact customer service or the head office. The only option available is to send an email but I received no response and there is no other number available to call.