Detailed 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
Q: customer: Hello. 
 agent: Hello, How can I aid you at this moment? 
 customer: Please help me to book a flight ticket from JFK to LAX. 
 agent: Sure, may I know your good name? 
 customer: Debra Baker. 
 agent: Please let me know your connection limit? 
 customer: Yes, I need 1 lay by with in my route. 
 agent: Could you please ensure your preferable dates? 
 customer: My planned travel dates are Feb, 7 and Feb, 9. 
 agent: Are there any more specifications? 
 customer: I need to return at afternoon time. 
 agent: We found a connecting flight 1003 from JetBlue airline has fare 100 and arrival time is 13:00 hours. Shall I proceed? 
 customer: Please proceed. 
 agent: Your ticket has been confirmed in economy class. 
 customer: Thank you. 
 agent: Thank you for reaching us.
A:
book