On an app
Her cover photo is a beach and the caption says Phú Quốc.
The line for this moment
I've never been to Phú Quốc. Is it worth it?
The Vietnamese for it, how it sounds to an English speaker, why it works here and not elsewhere, and what she is likely to say back with what to do next: that is what the pack opens, for this line and the others like it.