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. 
 customer: Jeffrey Campbell here. 
 agent: Campbell, how can I assist you? 
 customer: My interview got postponed, so I want to reschedule my itinerary dates. 
 agent: Sure, I will help you with that. Let me check your reservation status. 
 customer: Sure. 
 agent: Campbell, I did not find any reservation by your name in our database. 
 customer: It's ok, thank you. 
 agent: You are welcome and thank you for choosing us.
[A]: no_reservation


[Q]: customer: Hello. 
 agent: Hello, how can I assist you today? 
 customer: Can you help me to book a flight ticket from MCO to LGA? 
 agent: Sure, may I know your planned travel dates? 
 customer: My travel dates are Feb 22 and Feb 24. 
 agent: Do you want connecting flight? 
 customer: I prefer direct flight for this trip. 
 agent: Do you have any other requirements? 
 customer: No, thanks for asking. 
 agent: May I know your name please? 
 customer: I am Christopher Martinez. 
 agent: Sorry, there are no flights found with your given details. 
 customer: No problem, thank you for the information. 
 agent: Thank you for opting us.
[A]: no_flight


[Q]: customer: Hello. 
 agent: Hello. How can I aid you? 
 customer:  I would like to cancel my flight reservation as my trip got postponed, can you please help me? 
 agent: Sure, We are here to help you. May I know your name? 
 customer: I am Cynthia Scott. 
 agent: Give me a minute. 
 customer: Sure. 
 agent: Thank you for waiting, but I am sorry to say that, there is no active reservation found with your name in our database to cancel it. 
 customer: That's ok, thank you for checking. 
 agent: Thank you for opting us.
[A]:
no_reservation