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
Q: customer: Hello. Amanda Walker here. 
 agent: Hello, how can I help you? 
 customer: Can you please help me in booking the flight ticket from DFW to JFK? 
 agent: Sure, please share me your travelling dates? 
 customer: I would like to travel on Sept 26 and return on Sept 28. 
 agent: Do you have any specifications? 
 customer: Yes, I need connecting flight with economy class. 
 agent: We found 1007 Frontier airline with single connection and price of 100 in economy class, shall I proceed with booking? 
 customer: Please proceed with the booking. 
 agent: Your booking is done. 
 customer: Thank you for booking the flight ticket. 
 agent: Thank you for reaching us.
A:
book