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: Can you please help me in booking a flight ticket from LAS to EWR? 
 agent: Sure, can you please let me know your travel dates? 
 customer: I want to fly on July 06 and return on July 08. 
 agent: Do you prefer a connection in between the journey? 
 customer: I need a single connection. 
 agent: Do you have any other requirements? 
 customer: I don't have any other requirements. 
 agent: Ok, please wait for a minute. 
 customer: Ok. 
 agent: We found a connecting flight in Hawaiian Airlines with flight number 1022 having an economy class. Shall I proceed for booking? 
 customer: You can proceed to booking. 
 agent: May I know your name to book a ticket? 
 customer: Myself Nicole Phillips. 
 agent: Your booking has been processed. 
 customer: Thank you. 
 agent: Thank you for approaching us.
A:
book