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 help you? 
 customer: Being a scientist, I have to give a seminar at Austin, AUS. This is the reason for booking a ticket on 11/23. Will you help me? 
 agent: Sure, I am here to help you. 
 customer: Ok. 
 agent: Can I know your source code please? 
 customer: Book a ticket from Charlotte, CLT. 
 agent: Ok, may I know when you want to return? 
 customer: 11/25 is my return date. 
 agent: Do you need any halt in between your journey? 
 customer: Yes, I need a halt. 
 agent: Wait a minute please. 
 customer: Sure. 
 agent: Thank you for waiting, we found a flight with number 1026 and airline AA at a price of 200 with 1 connection. Shall I proceed? 
 customer: Ok, book my ticket with this flight. 
 agent: Sure, your booking is done. 
 customer: Thank you for your service. 
 agent: May I know your name please? 
 customer: Reserve a ticket with the name of Gary Phillips. 
 agent: Thank you for reaching us, have  a nice day.

SOLUTION: book

PROBLEM: customer: Hi. 
 agent: Hello. How may I assist you? 
 customer: Owing to an emergency I had to request for this change reservation. 
 agent: Ok, I will help you with that. Can I have your name , please? 
 customer: My name is Anna Young. 
 agent: Hold on a moment. 
 customer: Sure. 
 agent: I am sorry, there is no reservation found on your name to change. 
 customer: Thank you. 
 agent: Thank you for availing us.

SOLUTION: no_reservation

PROBLEM: customer: Hi. I am Debra King. 
 agent: Hello, how may I assist you today? 
 customer: I want to book a flight ticket from AZ-PHX to PA-PHL. Can you help me? 
 agent: Sure, can you please mention the dates of your journey? 
 customer: Thank you. 10/30 and 11/01 are my travelling dates. 
 agent: Do you have any class preference? 
 customer: I am comfortable with any class. But, I need to depart in morning. 
 agent: May I know your connection limit? 
 customer: I need a break. 
 agent: Ok, please wait for a minute. 
 customer: Ok. 
 agent: We found a connecting flight in American Airlines with flight number 1023 departs in the morning at 5:00 AM. Shall I proceed to book your ticket in economy class? 
 customer: You can reserve it for me. 
 agent: Your booking has been confirmed. 
 customer: Thank you for your help. 
 agent: Thank you for opting us.

SOLUTION:
book