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. How may I assist you today? 
 customer: I would like to book a flight on the route from MSP - OAK, can you please help me today? 
 agent: Sure, please provide me your travelling. 
 customer: I will be travelling on the dates from 06/06 to 06/08. 
 agent: Delta airline is providing flight for you with price 200. Shall I proceed? 
 customer: Ok, please book it if the price is within 5000. 
 agent: May I know your name to proceed further? 
 customer: My name is Emma Harris. 
 agent: Your ticket has been booked with your name. 
 customer: Thank you for helping me out. 
 agent: It's my pleasure.
A:
book