Here is a full first chat between two people on Video, with a note under each line about why it helps. Treat it as a pattern, not a script: the specific words matter much less than the shape. An example is easier to copy than a rule.
AHi! It’s past eleven here and I should be asleep. Where are you?
Greeting, a bit of context and a question, all in one line.
BHa, it’s only four in the afternoon here. I’m on a break at work.
B now has something easy to say, and gives a detail back.
AA break at four sounds like a good job. What do you do?
A picks up the detail B offered instead of changing topic.
BI work at a bakery, so I’ve been up since five. That’s why I’m tired too.
B shares a bit more. Trust grows in small steps like this.
ASince five! Okay, what’s the best thing you bake? Be honest.
A shows real curiosity and adds a little humour.
BCinnamon rolls, no question. What keeps you up so late?
B asks back. Once both people ask questions, it is a conversation.
AA show I promised myself I’d stop watching three episodes ago.
A answers with something human and a bit self-mocking.
BWhich show? I need something new for my evenings.
A shared topic appears. This is the thread to pick up next time.
AI’ll tell you, but then you owe me a cinnamon roll story. Mind if I follow you so we can talk again?
A ends on a high note and asks to follow, so the chat can continue another day.
Nothing in that exchange is clever. It works because each person answers and then hands something back. If you take one thing from it, take that: answer, add a detail, ask.