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

[EX Q]: customer: Hello. 
 agent: Hello. 
 customer: I am Donna Hernandez. 
 agent: How may I assist you? 
 customer: I need a direct flight for my journey to attend an important meeting, can you please hep me in flight ticket booking from ORD to JFK? 
 agent: Sure, I will help you in flight ticket booking. 
 customer: Thank you and my travel dates are 03/07 and I will catch the return flight on 03/09. 
 agent: Ok, wait for a moment please. While I am checking for the flights available. 
 customer: Sure, I will wait for your response. 
 agent: Thanks for waiting. I have found Delta airlines which flies with one connection. 
 customer: Yes, please proceed with flight ticket booking. 
 agent: Yes, I have confirmed your flight ticket with flight number 1012. 
 customer: Thank you for your help in my flight ticket booking. 
 agent: Thank you. 
 customer: Welcome.
[EX A]: book

[EX Q]: customer: Hi. 
 agent: Hello, how may I render you? 
 customer: I want to book a ticket from BOS to JFK, can you help me? 
 agent: Sure, may I know your journey dates? 
 customer: My travel dates are 05/07 and 05/09. 
 agent: Do you have any specification? 
 customer: I need a flight with connection 1. 
 agent: May I know your good name for further process? 
 customer: Myself Lisa Edwards. 
 agent: Thank you for sharing your journey details, please hold on. You have a flight with airline Hawaiian and flight number is 1014 with 1 connection and price is 200. 
 customer: Sure. You can book it. 
 agent: Your reservation is done. 
 customer: Thank you for booking. 
 agent: Thank you for choosing us, have a nice day.
[EX A]: book

[EX Q]: customer: Hello. 
 agent: Hello, how may I help you? 
 customer: Jacob White here. I want to travel from AUS to MSP. 
 agent: May I know your travelling dates? 
 customer: My travelling dates are from 04/08 to 04/10. 
 agent: There is a flight available in UA airline with 2 connections. Shall I proceed? 
 customer: Please don't proceed. 
 agent: Ok, thank you for approaching us. 
 customer: Most welcome.
[EX A]:
no_flight