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. How can I aid you? 
 customer: I am Jonathan Williams. Can you please cancel my reservation as meeting with my client got postponed? 
 agent:  Ok, please wait I will revert you. 
 customer: Sure. 
 agent:  We found reservation on your name and it is cancelled. 
 customer: Ok. Thank you. 
 agent:  Thank you for availing us.

SOLUTION: cancel

PROBLEM: customer: Hello, I am Richard Jones. 
 agent: Hello, how can I support you? 
 customer: Could you please help me with booking a flight to Seattle, SEA from New York, LGA? 
 agent: Sur, can you help me with your journey dates? 
 customer: I want to attend my sister's marriage, so you can book a ticket on 02/17 and return on 02/19. 
 agent: Sorry, no flights found on your given preferences. 
 customer: No problem, thank you for the information. 
 agent: Thank you for reaching us.

SOLUTION: no_flight

PROBLEM: customer: Hello. 
 agent: Hello, how may I help you? 
 customer: I'm Charles Allen, want to travel from DCA to MSP. Can you help me in this? 
 agent: Sure, may I know your travelling dates? 
 customer: My travelling dates are from 04/21 to 04/23. 
 agent: There is a flight available as per your request in JetBlue airline with 1 connection. Shall I proceed your booking? 
 customer: Please proceed with it. 
 agent: Ok, your ticket is booked. 
 customer: Thank you.. 
 agent: Most welcome.

SOLUTION:
book