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: Hi. 
 agent: Hello. 
 customer: Jason Adams here. 
 agent: How can I assist you today? 
 customer: I have to attend a Live Concert at Atlanta, could you please help me with booking a flight ticket from AUS to ATL? 
 agent: Sure, can you please share your travel dates? 
 customer: Ok, my preferred travel dates are from 07/10 to 07/12. 
 agent: Let me check for the availability of flight. Jason, there is a flight available with price 100 and the connection is 1 with AA airline. Would you like me to proceed with the booking? 
 customer: Ok, please proceed for booking. 
 agent: Your booking is confirmed with 1019 flight number. 
 customer: Thank you so much. 
 agent: Thank you for reaching us, have a great day.
Output:
book