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. 
 agent: Hello. How may I aid you today? 
 customer: Can you please make a reservation with the name of Anthony Martin? 
 agent: Sure, kindly mention your airport codes? 
 customer: My airport codes are, EWR to SFO. 
 agent: May I know your departure date and arrival date? 
 customer: My journey dates are on Apr 29th and May 1st. 
 agent: Do you have any connection limit in between journey? 
 customer: Yes, I prefer a connection in between journey. 
 agent: Is there any airline preference for you? 
 customer: No, I am ok with any airline. 
 agent: We are glad to inform you that there is a flight found with an airline Frontier of flight 1029 in an economy class with lay by. Shall I confirm your booking? 
 customer: Ok, proceed with the booking. 
 agent: Your ticket has been reserved. 
 customer: Thank you for your service. 
 agent: Thank you.
A:
book