Detailed Instructions: 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: I am Carolyn Robinson, I would like to visit Charlotte to attend a my sister birthday party, can you help me to find a flight from ORD to CLT? 
 agent: On which dates would you like me to book your ticket? 
 customer: My period of journey are 05/28 and 05/30. 
 agent: Thanks for your data, there is a flight-1005 on Hawaiian airline, shall I proceed? 
 customer: Yes, you can proceed. 
 agent: Ok, your reservation is done with your name Carolyn Robinson. 
 customer: Thank you very much. 
 agent: Thanks for consulting us, have a safe trip.
Solution:
book