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
Example: customer: Hi. 
 agent: Hello. How can I help you? 
 customer: I would like to change my existing reservation as my plan to go for a holiday trip got postponed. Can you please help me with this? 
 agent: Sure, may I know your name please? 
 customer: My name is Anthony Phillips. 
 agent: Please wait a moment. 
 customer: Sure. 
 agent: Unfortunately there is no reservation found with your given name. 
 customer: Not a problem, thank you for checking. 
 agent: Thank you for choosing us.
Example solution: no_reservation
Example explanation: Here the customer has not asked for any booking, he just wanted to update his already booked flight, so the status would be no_reservation

Problem: customer: Hello. 
 agent: Hello. How can I assist you? 
 customer: I am looking for a flight from ORD to DTW, can you render me in booking the flight ticket? 
 agent: Can I know your travelling dates? 
 customer: My trip dates are from Dec 27th till Dec 29th. 
 agent: Please let me know your name? 
 customer: Myself Gregory Wright. 
 agent: Do you need connecting flight? 
 customer: Yes, I just need a connecting flight  and I don't have any more requirement to be met from end. 
 agent: Here is a connecting flight with ticket fare 100 and 1017 as flight number. Shall I proceed with booking? 
 customer: Please proceed with it. 
 agent: Ok, your ticket is confirmed in economy class. 
 customer: Please do mention the airlines in which you have resevered me the seat. 
 agent: I have reserved in Southwest airline. 
 customer: Thank you for your help. 
 agent: Most welcome.
Solution: book