customer: How much is it?
or
What's the damage?
Clerk: $12.30.
Customer: Oh, I left my wallet at home.
Oh, I forgot my wallet.
Shit, I forgot my wallet.
Sorry, can you hold this/that till I get/come back?
I'll go get my wallet and be back in 10 minutes.
in half an hour.
Clerk: Sure.
x fetch
