In this task, you are given a conversation between a flight agent and the customer. You are given 4 options and you need to select the goal of the conversation. It is provided as part of customer's context, which has to be one of the following: `book`: Make a new reservation, `cancel`: Cancel an existing reservation, `no_flight`: No flight found for the customer's preference, `no_reservation`: No reservation / No change / No cancellation was made in the conversation, mostly enquiring details
Q: customer: Hello. 
 agent: Hello. How can I aid you today? 
 customer: Can you please help me in booking my flight ticket from BOS to LAS? 
 agent: Sure, I am mirthful to help you with that flight ticket booking. May I know your planned journey dates? 
 customer: Sure, my travelling dates are from 11/16 to 11/18. 
 agent: Would you like to board a connecting flight or a direct flight? 
 customer: I need a single connecting flight. 
 agent: Do you have any other specifications? 
 customer: No. 
 agent: May I know your name please? 
 customer: Myself Dorothy Adams. 
 agent: Hawaiian Airlines are having a flight-1001 with single connection limit and the ticket fare is 100. Shall I book it? 
 customer: Please proceed with the booking. 
 agent: Dorothy Adams, your booking is done in economy class. 
 customer: Thank you for your help. 
 agent: Thank you for choosing our agency, have a safe journey.
A:
book