[Okay, they only have to keep this up long enough for that person to leave.

They're standing and staring.

Plan B is go.

Omi throws an arm around Prompto's shoulders with a hearty laugh and turns him so they can walk in the opposite direction from the interloper.]

She must be something else! Though you're just telling her secrets right here in the street. Let's go have a drink, instead! She can come join us.