Q: 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
customer: Hello. 
 agent: Hello, how may I assist you today? 
 customer: I want to book a flight ticket to DTW to attend for a seminar. Can you please help me for booking from ATL? 
 agent: Sure, please share me your trip dates. 
 customer: My trip dates are on Aug 25 and 27. 
 agent: Do you need direct flight or connecting flight? 
 customer: I need a connected flight. 
 agent: For booking, we need your good name. Please mention it. 
 customer: Sure, my name is George Turner. 
 agent: May I know your class preferences? 
 customer: I am fine with any class. 
 agent: We found a AA airline and 1006 is flight number with  a  fare of 100. Shall I proceed? 
 customer: Ok, please go ahead for booking. 
 agent: Your ticket is confirmed with an economy class. 
 customer: Thank you. 
 agent: Thank you for opting us.
A:
book