4. A method comprising: engaging in a speech dialog with a user to determine an intent of the user, wherein engaging in the speech dialog comprises engaging in a first dialog turn and, a second dialog turn, and a third dialog turn with the user; wherein engaging in the first dialog turn comprises: receiving a first audio signal produced by a first device, the first audio signal representing first user speech; and determining, based at least in part on providing the first audio signal to a speech service, a first meaning of the first user speech; wherein engaging in the second dialog turn comprises: receiving a second audio signal that is produced using a microphone of a second device, the second audio signal representing second user speech; and determining, based at least in part on providing the second audio signal to the speech service, a second meaning of the second user speech based; and wherein engaging in the third dialog turn comprises: receiving, based at least in part on an actuation of a talk control of the first device within a predefined time period after engaging in the second dialog turn, a third audio signal from the first device, the third audio signal representing third user speech; and determining a third meaning of the third user speech.
4. A method comprising: engaging in a speech dialog with a user to determine an intent of the user, wherein engaging in the speech dialog comprises engaging in a first dialog turn and, a second dialog turn, and a third dialog turn with the user; wherein engaging in the first dialog turn comprises: receiving a first audio signal produced by a first device, the first audio signal representing first user speech; and determining, based at least in part on providing the first audio signal to a speech service, a first meaning of the first user speech; wherein engaging in the second dialog turn comprises: receiving a second audio signal that is produced using a microphone of a second device, the second audio signal representing second user speech; and determining, based at least in part on providing the second audio signal to the speech service, a second meaning of the second user speech based; and wherein engaging in the third dialog turn comprises: receiving, based at least in part on an actuation of a talk control of the first device within a predefined time period after engaging in the second dialog turn, a third audio signal from the first device, the third audio signal representing third user speech; and determining a third meaning of the third user speech. 7. The method of claim 4 , further comprising: analyzing the first audio signal to recognize the first user speech; and analyzing the second audio signal to recognize the second user speech.