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: Where to , sir .
Person2:To this place , please .
Person1: Star Hotel . OK .
Person2:How long does it take to get to the hotel ?
Person1: About 20 minutes .
Person2:Here's the hotel .
Person1: How much is the fare ?
Person2:That's 10 dollars .
formal