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: Hello. 
 agent: Hello. How may I assist you? 
 customer: I am Andrew Thompson. Can you please book a flight ticket from LGA to LAX? 
 agent: Ok, please provide your journey dates too. 
 customer: Sure, I need to travel on dates of 12/06 and 12/08. 
 agent: Please wait a moment, I will revert you back with the proper information. 
 customer: Sure, take your time. 
 agent: There is a connecting flight-1012 on UA airlines, would you like me to proceed? 
 customer: That is fine, please proceed with booking. 
 agent: Your ticket has been done with your criteria. 
 customer: Thank you for your help. 
 agent: Thanks for choosing us.
Solution:
book