I need to book a flight from LA to Miami, today.
How can I help you? Okay, when would you like to leave?
I need to leave today, as late as possible. It's the round trip. I need to return in 4 days, latest flight possible.
Okay, sure. I found a flight that is at $621, non-stop with American Airlines at 11:15 PM.
Okay, that's good.
Would you like to book a return flight?
Yeah, I need this to be a round trip, returning in 4 days.
What time would you like to return?
As late as possible.
The latest possible flight is $690 at 5:44 PM and it is  nonstop arriving back at 8:17 PM.
Okay.
There is a 10:13 PM with one stop. Would you like to Non-Stop?
Is that one cheaper? Yeah, Non-Stop.
That flight is $60 cheaper.
Okay.
Okay, you're all booked, enjoy your flight.