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 can I guide you for today? 
 customer: I need to book a ticket from Denver to New York. 
 agent: Can you please share on what dates you are willing to travel? 
 customer: Travelling dates are from Feb, 9 to Feb, 11. 
 agent: Can you please provide your source and destination airport codes? 
 customer: Airport codes DEN and LGA. 
 agent: Are you looking for a connecting flight or direct flight? 
 customer: I prefer connecting flight. 
 agent: Do you have any class preferences? 
 customer: I would like to prefer business class. 
 agent: Do you have any other requirements that you are looking for? 
 customer: I would like to depart in the afternoon. 
 agent: Can you please provide your name to proceed further? 
 customer: My name is Kathleen Collins. 
 agent: There is a connecting flight with ticket fare 300 in JetBlue airlines in business class. Is it ok for you? 
 customer: Please book a flight. 
 agent: Your booking is confirmed with flight number 1014. Departure time is 15:00 hours and arrival time is 17:00 hours. 
 customer: Thank you. 
 agent: Thank you for contacting us, have a nice day.

SOLUTION: book

PROBLEM: customer: Hi. 
 agent: Hello, how can I help you? 
 customer: I am Elizabeth Gonzalez. I am looking for a direct flight from IAH to DTW, please book my flight ticket. 
 agent: May I know your desired travel dates please? 
 customer: Sure, I want to depart on Dec 4th and I have to return back in the afternoon on Dec 6th. 
 agent: Please wait a while. 
 customer: Sure. 
 agent: There is a flight with connection limit 1 and fare 200, shall I proceed for booking? 
 customer: No, I prefer for a direct flight. 
 agent: Sorry to say, there is no flight available on your desired travel dates. 
 customer: Sad to hear that, thank you for checking. 
 agent: Thank you for opting us.

SOLUTION: no_flight

PROBLEM: customer: Hello. 
 agent: Hello, how can I help you? 
 customer: For a holiday vacation I want to go to MSP on 08/09. Aid me in booking a ticket with the name of Samantha Perez. 
 agent: Sure, I am here to help you. May I know your return date? 
 customer: On 08/11, I have to return. 
 agent: Could you please share your source code? 
 customer: Phoenix, PHX is my source point. 
 agent: Do you need any halt in between your journey? 
 customer: Yes, connection is to be 1. 
 agent: Thanks for your details, there is no flight found to reach your destination. 
 customer: Fine, I will go with another flight. Thank you for your service. 
 agent: Thank you for reaching us.

SOLUTION:
no_flight