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. Is this a flight ticket booking agency? 
 agent: Please let me know, what kind of service your looking for? 
 customer: Yes, I have seen that your agency can help the customer in flight ticket booking. So, now please help me with ticket booking from DTW to MCO. Can you help me in that one? 
 agent: Sure, please share me your trip dates. 
 customer: Thank you and I have planned to travel in the month of Nov and the travel dates would be 11 and 13. 
 agent: May I know your airlines preferences? 
 customer: I am ok with any airlines. 
 agent: Please share me your connection limit. 
 customer: I am looking for a single connection flight in between my journey. 
 agent: Is there any class specifications for you? 
 customer: No, that's it. The above mentioned are my requirements, check with that one. 
 agent: We found a Delta airline and 1023 is flight number with a fare of 200. Shall I proceed? 
 customer: I am Janet Young and you can proceed with booking the ticket on my name. 
 agent: Your ticket is confirmed with an economy class. 
 customer: Thank you for your immediate response with my flight ticket reservation. 
 agent: Thank you for reaching us. 
 customer: Welcome.
Solution: book