However, if the system would have retained information about your home address, quickly a list of all the directions would have been provided. Possibly a brief voice response with a visual element like a map and directions. Delivering an experience like this is quickly rewarding and satisfying. Intuitive design, as with GUI or graphical user interfaces, must be done right by the designers.
Two essential things that make Voice Interactions successfully are the device recognizing the person speaking, and the speaker understanding the device. The designers must always acknowledge potential speech checks, auditory impairments, and every element that can influence the interaction, like intellective disorders. Even language, accent, or voice tone affects how the device interprets them.