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: Hello. 
 agent: Hello. 
 customer: I am Christopher Taylor. 
 agent: How can I help you? 
 customer: I planned to meet my cousin in DCA, can you please help me to book a flight ticket from PHL? 
 agent: Sure, can you please tell your travelling dates? 
 customer: I planned to travel on 02/18 and 02/20. 
 agent: Sorry, there are no flights available with your requested details. 
 customer: Ok, no problem. Thank you for your time. 
 agent: Thank you and have a nice day.

SOLUTION: no_flight

PROBLEM: customer: Hello. 
 agent: Hello, how may I help you? 
 customer: I am Mary Walker. I want to visit Titanic the aircraft exhibition at MCO, can you please book a ticket for me? 
 agent: Sure, we are here to help you. May I know your planned dates of travelling? 
 customer: My trip dates are 10/29 to 10/31. 
 agent: May I Know your boarding point? 
 customer: Source: PHX. 
 agent: Thank you for the details. Please be on hold. 
 customer: Sure. 
 agent: I found a flight with number 1024 and Delta airline. Shall I proceed? 
 customer: You can proceed. 
 agent: Your flight ticket has been booked with single connection and fare of 200. 
 customer: Thank you. 
 agent: Thank you for reaching us.

SOLUTION: book

PROBLEM: customer: Hello. 
 agent: Hello. 
 customer: I am Margaret Thompson. 
 agent: How may I aid you? 
 customer: I am planning to visit Central Park at New York, could you please help me with booking a flight ticket from SFO to EWR? 
 agent: Sure, I am here to help you. On which dates would you like me to book the flight? 
 customer: I would like to depart on May 14th and return on May 16th. 
 agent: Do you have any stopover in between journey? 
 customer: I need a connecting flight. 
 agent: Would you please help me with your specific depart and arrival timings? 
 customer: Make sure that my return time must be morning. 
 agent: Is there any class preference? 
 customer: I need a flight ticket in economy class. 
 agent: Thanks for providing details, we are unable to provide flights on your journey routes. 
 customer: Ok, not an issue. Anyways, thank you for the information. 
 agent: Thank you for opting us.

SOLUTION:
no_flight