Opening greeting
When to use: Use it as the first reply when a new chat opens on the site.
Script
Hi visitor first name, I am agent name at company name -- a real person on the sales side, ready to help.
Looks like you are on the product line page. Are you sourcing for a specific project, or comparing options right now?
If they are technical
If you already have a spec or part number in mind, drop it here and I will confirm availability and lead time for you.
If they go quiet
No rush -- tell me the application or the volume you are looking at and I will work out the best fit from our range.
Why it works
Naming the product line shows the visitor they have reached someone who knows the catalog, and asking whether they are sourcing or comparing sorts serious buyers from browsers fast. Inviting a part number early gets technical visitors straight to the answer they came for.