options: f : are you looking for dr. smith ? f : you are looking for jim ? please wait . f : you are looking for mr. white ? please wait . f : sorry , dr. smith is not here . why do n't you try his office ?
article: m : hello , is this doctor , smith 's office ? f : yes , it is . may i help you ? m : yes , i 'd like to speak to doctor smith , please ?