I think this would have worked, with your help.

4 seconds sound clip from the The Third Man (1949) movie soundboard.

You can hear this line at 01:22:25.175 in the Blu-ray version of the movie.

Quote context

[...]

- We shall apply for her at the Four Power meeting tomorrow. She has no right to be here.

- I've asked your people to help with Lime.

- That's a different case. It is being looked into. So long, Major.

- In the last war, a general would hang his opponent's picture on the wall. He got to know him that way.

- I'm beginning to know Lime.

- I think this would have worked, with your help.

- What price would you pay?

- Name it.

(STEAM TRAIN WHISTLE BLOWING)

- Here we are. You'll be all right here, miss.

- I don't understand Major Calloway.

- I expect he's got a soft spot for you, miss.

- Why has he done all this?

[...]