Definition: 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
Input: customer: Hello,. 
 agent: Hello, how can I help you today? 
 customer: I am Kenneth Green. I would like to attend global environment conference in New York, JFK. Can you please make a reservation under the fare of 1000? 
 agent: Sure, please share your planned trip dates? 
 customer: My trip dates are, 03/21 and 03/23. 
 agent: Ok, let me know your boarding point? 
 customer: My boarding  point is  Orlando, MCO. 
 agent: Ok, please wait for a while. 
 customer: Sure. 
 agent: Thanks for waiting, flight- 1021, airline- AA, price- 100 with connection-1 matches your requested details. 
 customer: Ok, proceed. 
 agent: Ok, your ticket has been processed. 
 customer: Thank you for your help. 
 agent: Thank you for connecting with us.
Output:
book