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. 
 customer: Sarah Scott here. 
 agent: How may I aid you today? 
 customer: I want a connecting a flight from LAX to CLT, can you please help me in booking a flight ticket? 
 agent: Sure, I will help you with that. 
 customer: Thank you. 
 agent: Can you please share your preferable journey dates? 
 customer: Sure, my travel dates are from 09/06 to 09/08. 
 agent: Please wait for a while. 
 customer: Ok, take your time. 
 agent: I found a ticket for you with price of 100, flight number is 1002 and connection is 1. Is it ok for you? 
 customer: Ok, please proceed with booking. 
 agent: I confirmed your ticket successfully. 
 customer: Thank you for your service. 
 agent: Thank you for reaching us, have a great journey.
A:
book