- Aren't you thrilled?
- Yes, I am.
- I'm sure you'll be very happy.

4 seconds sound clip from the Holiday (1938) movie soundboard.

You can hear this line at 01:13:22.543 in the Blu-ray version of the movie.

Quote context

[...]

- I love the boy, Neddie.

- I thought so.

- Great, isn't it?

- Great.

- Here's luck to you.

- I don't want any luck.

- Ladies and gentlemen, my very good friends, I have the honor to announce to you the engagement of my daughter Julia to Mr. John Case.

- An event which doubles the pleasure I take in wishing you and them a most happy and prosperous New Year.

- Poor lamb.

- Aren't you thrilled?

- Yes, I am.

- I'm sure you'll be very happy.

- You're thinking of my sister.

- What?

- Not I! My sister.

- Now, Linda, you must get married yourself.

- Darling.

- Thank you, darling.

- I'm so happy for you.

- Thank you for coming down.

- Now you must go back to bed. You know, the doctor said you shouldn't excite yourself.

- Where's the lucky boy?

- I haven't seen the lucky boy since the announcement.

[...]