Desk Set (released as His Other Woman in the UK) is a 1957 American romantic comedy film directed by Walter Lang and starring Spencer Tracy and Katharine Hepburn. The screenplay was written by Phoebe Ephron and Henry Ephron from the play by William Marchant. Wikipedia
Mr. Azae: You don't care whether you impress people or not, do you?
Richard Sumner: You wait until you get my bill. You'll be impressed.