live chat

US /ˈlaɪv tʃæt/
UK /ˈlaɪv tʃæt/
"live chat" picture
1.

a system that allows customers to communicate directly with a company's customer service representatives through text messages on a website or app, in real time

:
I used the live chat feature on their website to get help with my order.
Many companies offer live chat support for quick inquiries.