TASK DEFINITION: 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
PROBLEM: customer: Hi,. 
 agent: Hello, How may I help you? 
 customer: I want to book a flight ticket with the name Mark Walker. 
 agent: Sure, Please help me with your journey details? 
 customer: I have planned to travel from Las Vegas, NV- LAS to Oakland, CA- OAK . Also my depart date is on 30th June  and return date is on  2nd July. 
 agent: OK, Do you have any other specifications? 
 customer: I don't have a connection limit but I have a price limit of 1000 and Airline preference as normal-cost. 
 agent: OK, Please wait I will revert you back in a while. 
 customer: OK, Sure. 
 agent: May I know your name? 
 customer: I have already mentioned my name. 
 agent: Sorry for the inconvinience. Thank you for being patience. Sorry, They were no flights available as per your requirement. 
 customer: OK, Thank you for your service.

SOLUTION: no_flight

PROBLEM: customer: Hello. 
 agent: Hello, how may I be at your service today? 
 customer: Can you please help me to book a flight from CLT to MCO? 
 agent: Sure, I will help you in booking the ticket. May I know your travelling dates please? 
 customer: I want to depart on Nov 21 and need to return on Nov 23. 
 agent: Do you have any other specifications? 
 customer: I need a connecting flight. 
 agent: Please help me with your name for booking. 
 customer: Thomas Carter here. 
 agent: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1002. Shall I proceed with this flight? 
 customer: Ok, please proceed. 
 agent: Your booking is done. 
 customer: Thank you. 
 agent: Most welcome.

SOLUTION: book

PROBLEM: customer: Hello. I am Paul Nelson. 
 agent: Hello, how may I aid you? 
 customer: Can you please help me in booking a flight ticket from NV-LAS  to reach TX-IAH? 
 agent: Sure, may I have your travel dates? 
 customer: My journey dates are from Mar 17 to Mar 19. 
 agent: Do you have any airlines preference? 
 customer: I prefer to travel in normal cost airlines. 
 agent: May I know your connection limit? 
 customer: My connection limit is one. 
 agent: In which class do you prefer to travel? 
 customer: I am comfortable with any class but make sure that my departure time is evening. 
 agent: Ok, please be on hold. Let me check with the flight availability. 
 customer: Sure. 
 agent: Sorry, there are no flights in this route as per your travelling details. 
 customer: That's ok, not a problem. Thanks for your information. 
 agent: Thank you for reaching us.

SOLUTION:
no_flight