How do I get in touch with someone from Shopify? - there is no contact options on the website

She purchased from Maker&Son US on 10/31/2021  

Hello, I have a client who made a purchase on 10.31.2021 on Shopify and she needs to know what credit card she used for the payment to initiate a dispute of the charge, as the company is not able to provide the goods purchased to her.  Please call me...