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
Input: customer: Hello. 
 agent: Hello, how can I assist you today? 
 customer: My name is Jennifer Gonzalez. I am planning to travel from ATL to OAK to meet my friend, can you please help me for booking? 
 agent: Sure, Can you share me your trip dates please? 
 customer: My travelling dates are 10/30 and 11/01. 
 agent: Ok, wait for some time. We found Delta airline with single connection under fare of 100. Shall I proceed for booking with airline number 1007? 
 customer: I want a direct flight flight, can you please recheck it with 0 connection? 
 agent: Your ticket has been confirmed. Thanks for connecting us.
Output:
book