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, do you need any help from us? 
 customer: Can you please help me in reserving my flight from ORD to reach ATL? 
 agent: Sure, could you please share your departure and arrival day? 
 customer: Thank you, my travelling dates are Apr 3rd and Apr 5th. 
 agent: Ok, could I have your name please? 
 customer: I am Gary Taylor. 
 agent: Ok, do you need direct or connecting flight? 
 customer: I prefer a single connecting flight. 
 agent: Ok, do you have any other specifications? 
 customer: I don't have any other specifications. 
 agent: The economy class with flight number 1014 of Frontier airline is available having fare as 200 and connection as 1, is it ok for you? 
 customer: Yes, please proceed by booking. 
 agent: Ok, your reservation is confirmed. The departure time is 6:00 hours and the arrival time is 10:00 hours. 
 customer: Thank you for the help. 
 agent: Thank you for reaching our service.
Student:
book