Below is an example dialog from the Let's Go! system. The audio for this interaction is available in either .wav or .mp3 format. The transcript of the call is below:

S: Thank you for calling the CMU Let's Go! Bus Information System. 
   This conversation will be recorded for research purposes. If you do not
   want to be recorded, please hang up now. What can I do for you?
U: I would like to go to the airport tomorrow morning.
S: To the airport. When do you want to arrive?
U: I'd like to arrive at 10:30.
S: Arriving at around 10:30 AM. Where do you want to leave from?
U: I'd like to leave from Carnegie Mellon.
S: From Carnegie Mellon. There is a 28X leaving Forbes Avenue at Morewood
   at 9:20 AM. It will arrive at Greater Pittsburgh Airport at Departure
   Stops at 10:15 AM.
U: When's the next bus?
S: There is a 28X leaving Forbes Avenue at Morewood at 9:40 AM. It will arrive
   at Greater Pittsburgh Airport at Departure Stops at 10:35 AM.
U: I'd like to go from the airport back to CMU on Friday.
S: From the airport to CMU. When would you like to leave?
U: At 6:15 PM.
S: Leaving at around 6:15 PM. There's a 28X leaving Greater Pittsburgh Airport
   at Departure Stops at 6:26 PM. It will arrive at Forbes Avenue at Morewood
   at 7:20 PM.
U: Thank you very much.