Teacher: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
Teacher: Now, understand the problem? Solve this instance: customer: Hello. 
 agent: Hello, how can I help you today? 
 customer: Can you aid me in booking a flight ticket from DFW to LAX? 
 agent: Sure, kindly share your travel dates. 
 customer: I am planning to start on Mar 31st and return back on Apr 2nd. 
 agent: Do you have any connection limit? 
 customer: Make sure that connection limit is 1. 
 agent: Is there any other specifications? 
 customer: No. 
 agent: Please share your name. 
 customer: I am Eric Evans. 
 agent: Please wait a moment. 
 customer: Take your time. 
 agent: There is a flight with your requirement, airline is Delta with price 100 and single connection. Shall I proceed with booking? 
 customer: Yes, you can go ahead. 
 agent: Your booking is done and flight number is 1003. 
 customer: Thank you for the support. 
 agent: Thanks for reaching us.
Student:
book