You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. Your task is to label each of the continuous conversations done by one speaker with the emotion detected in that particular part. Your labels can be one among the following: 'No emotion', 'surprise', 'happiness', 'sadness', 'anger', 'disgust'.

Person1: May I please speak to Tom ?
Person2: Tom has gone to lunch .
Person1: I'll just try him again .
Person2: Do you want me to have him give you a call ?
Person1: No , but what time do you expect him back ?
Person2: He should be back in about forty minutes .
No emotion,No emotion,No emotion,No emotion,No emotion,No emotion