Detailed Instructions: 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
Problem:customer: Hi. 
 agent: Hello. 
 customer: I am Nicholas Phillips. 
 agent: How may I be your helping hand today? 
 customer: I want to participate in boxing at New York. My source airport code is PHL and destination is JFK. Can you book a ticket? 
 agent: Ok, can you please provide your journey dates? 
 customer: My preferable dates are from 08/30 to 09/01. 
 agent: Ok, please wait for a couple of minutes. 
 customer: Sure. 
 agent: We are glad to tell you that we found a 1009 Southwest airline that matches to your specified details. The fare of this airline is 200 with one connection. 
 customer: Book the ticket. 
 agent: Ok, the booking has been reserved. 
 customer: Thank you for your quick response. 
 agent: Thanks for choosing us.
Solution:
book