Certainly. Certainly. Good night.

6 seconds sound clip from the The Remains of the Day movie soundboard.

You can hear this line at 01:34:41 in the Blu-ray version of the movie.

Quote context

[...]

- I thank you for the cocoa.

- In the future, we shall communicate only during the course of the day. If necessary, by written message.

- I wish you a very good night, Miss Kenton.

- I shall be taking my day off tomorrow.

- I'll be back in the house by 9:30.

- Certainly. Certainly. Good night.

- No, I'm glad to be out of it, I can tell you.

- There's something about Sir Geoffrey and his Black Shirts gave me the creeps.

- Mr. Stevens always says it is up to us to run the house, and leave the rest where it belongs.

- You don't agree, Mr. Benn.

- No.

- Nor do I, really.

[...]