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 may I help you? 
 customer: Myself Mark Brown here. I  need to fly Las Vegas for my college admission, could you please help me in booking my flight ticket from ATL to LAS? 
 agent: Sure, can you please let me know your journey dates that you wish to travel? 
 customer: My travel dates are 11/11 and 11/13. 
 agent: Do you need a flag stop in between your journey? 
 customer: I need a connecting flight. 
 agent: May I know how much do you want to spend on flight ticket? 
 customer:  I can spend upto 500. 
 agent: Please wait for a while. 
 customer: OK. 
 agent: We found a flight in Southwest airlines, flight number is 1005 with one connection price is 100. Shall I proceed? 
 customer: Ok, you can proceed. 
 agent: Ok, your ticket has been confirmed in economy class. 
 customer:  Thank you for booking. 
 agent: Thank you for opting us.

SOLUTION: book

PROBLEM: customer: Hello,. I am Susan Gonzalez. 
 agent: Hello, how can I help you? 
 customer: I need to book a flight ticket from Seattle to meet my grandparents after a long time in Washington. Can you please help me in booking? 
 agent: Sure, may I know your planned travel dates? 
 customer: My depart is on 03/17 and arrival on 03/19. 
 agent: Please share me your source and destination codes. 
 customer: My source code is WA-SEA and destination code is DC-IAD. 
 agent: May I know your price limit? 
 customer: I can spend up to 5000. 
 agent: Please wait for a moment. 
 customer: Ok. 
 agent: Thanks for waiting, sorry to say that, no flights were found with your details. 
 customer: Ok, no issue. 
 agent: Thank you for opting us. 
 customer: Thank you for your support.

SOLUTION: no_flight

PROBLEM: customer: Hello. 
 agent: Hello, how may I provide assistance for you? 
 customer: Can you please change my existing reservation? As my planned trip has been postponed to another dates. 
 agent: Sure, we are here to help you. 
 customer: Thank you. 
 agent: May I know your good name? 
 customer: My name is Mark Robinson. 
 agent: Please, stay online. I will check the previous list and revert to you. 
 customer: Sure, I will wait for your response. 
 agent: Thank you for your valuable time. 
 customer: Ok. 
 agent: We are sorry to inform you that, no reservation was found on your name to change. 
 customer: Oh! May be I made a wrong reservation, Anyways thank you. 
 agent: Ok. Thank you for reaching us, have a good day. 
 customer: Thanks for your information. 
 agent: Thank you.

SOLUTION:
no_reservation