Ticket booth (3,6)
I believe the answer is:
box office
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">ticket booth</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for box office that I've seen before include "Where tickets are sold in a theatre" , "Place where theatre tickets are purchased" , "ability to draw an audience" .)