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

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.
book

customer: Hello. 
 agent: Hello, how best I can aid you at this moment? 
 customer: We are going to Washington, but first we should make a plane reservation. Can you please help me with this? 
 agent: Sure, I would like to make a reservation to Washington. 
 customer: Thank you for accepting my request. 
 agent: Could you please help me with your travelling airport codes? 
 customer: Sure, my airport codes are IAD - DCA. 
 agent: At what class, would you like to prefer to travel? 
 customer: I am fine with any class. 
 agent: Do you have any specific time for your journey? 
 customer: Yes, I would like to depart in afternoon time. 
 agent: When you are willing to travel to reach your destination? 
 customer: I have scheduled my trip dates on Nov 9th to 11th. 
 agent: Ok, Do you prefer to travel in a major airlines? 
 customer: I am comfortable with any airline. 
 agent: Thank you for sharing all the required details, please help me with your name. So, I can check the availability of flights. 
 customer: Jack Perez is my name. 
 agent: Please wait for a moment, I will inform you about the flight details as soon as possible. 
 customer: Ok, sure. 
 agent: Thanks for waiting, Jack Perez. 
 customer: Ok. 
 agent: Sorry for the inconvenience, there were no flights moving to your location due to sold out of tickets. 
 customer: It's sad to hear, but no issues at all. Thank you for the best service. 
 agent: Thank you for consulting our chat service. Hope we serve you again.
no_flight

customer: Hello, I am Scott Martin. 
 agent: Hello, how may I assist you? 
 customer: Due to sudden death of my grandfather I need to cancel my recent reservation can you please help me out cancelling my reservation. 
 agent: Sure, please wait a moment. 
 customer: Sure. 
 agent: There is no reservation on your name. 
 customer: No problem. 
 agent: Thank you so much for choosing us. 
 customer: Thank you for the information.
no_reservation