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: Can you aid me in booking a flight ticket from JFK to MSP? 
 agent: Sure, can you please share your travel dates? 
 customer: I am planning to start on June 27th and return back on June 29th. 
 agent: May I know your connection limit? 
 customer: Make sure that connection limit is 1. 
 agent: Do you have any other specification that you are looking for? 
 customer: No, all preferences have been mentioned. 
 agent: May I know your name to proceed further? 
 customer: I am Matthew Campbell. 
 agent: There is a flight available with price 100 and the connection is 0 with Southwest airline. Would you like me to proceed with the booking? 
 customer: Yes, you can g ahead. 
 agent: Your booking is confirmed with 1005 flight number and the departure time is 21:00 hours, return time is 8:00 hours. 
 customer: Thank you for the support. 
 agent: Thank you for contacting us.
Output:
book