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: Hi. 
 agent: Hello, how may I aid you today? 
 customer: Due to sudden change of my business meeting because of some technical problem, I need to change my reservation so can you help me with that? 
 agent: Sure, may I know your good name? 
 customer: I am Kevin Clark. 
 agent: Ok, please wait for a minute. 
 customer: Sure. 
 agent: I have checked in reservation list to change your ticket, but could not find any reservation with your name. 
 customer: Ok, no issues. Thanks for the information. 
 agent: Thank you for reaching us.
no_reservation

customer: Hello, my name is Deborah Turner. 
 agent: Hello, how can I help you? 
 customer: Present my health condition is not good so I need to cancel my reservation. 
 agent: OK, please wait a moment, I will check the status and revert you. 
 customer: OK. 
 agent: Thanks for waiting, there is no reservation found on your name. 
 customer: Thanks for your information. 
 agent: Thanks for connecting us, have a good day.
no_reservation

customer: Hello. 
 agent: Hello. How can I aid you? 
 customer: I am Jonathan Williams. Can you please cancel my reservation as meeting with my client got postponed? 
 agent:  Ok, please wait I will revert you. 
 customer: Sure. 
 agent:  We found reservation on your name and it is cancelled. 
 customer: Ok. Thank you. 
 agent:  Thank you for availing us.
cancel