Given the task definition and input, reply with output. You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. You are required to assign a label 'formal' if there is an absence of emotion and a presence of questions anywhere within the conversation. If such pattern is not found assign the label 'informal'.

 Person1:       Wow ! What ’ s the hold up ?  
 Person2:It ’ s probably just people trying to get an early start out of the city for the weekend . Nobody sticks around in the summer .  
 Person1:        Really ? Then , I guess I won ’ t have a hard time finding a room or getting a cab ?  
 Person2:Actually , you might because there ’ s a big convention in town this weekend .  
 Person1:        I ’ m not too worried about it . I always seem to find something . 

informal