instruction:
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
question:
customer: Hello. 
 agent: Hello. 
 customer: I am Raymond King. 
 agent: How can I aid you today? 
 customer: Can you please help me in booking my flight ticket from AUS to DCA? 
 agent: Sure, I am here to help you. Could you please help me with your travelling dates? 
 customer: Ok, my travelling dates are 03/10 and 03/12. 
 agent: May I know your lay by's? 
 customer: I need connecting flight. 
 agent: Ok, please wait for a while. There is a UA 1013 airline with fare of 100 and a halt in between the journey. 
 customer: Ok, sure. 
 agent: Your booking has been confirmed on name of Raymond King. 
 customer: Thank you. 
 agent: Thank you for approaching us, have a nice day.
answer:
book


question:
customer: Hello. 
 agent: Hello, how may I help you? 
 customer: Can you please help me in booking the flight ticket from LGA to IAD? 
 agent: Do you have any requirements? 
 customer: I prefer to travel in normal cost airlines with direct flight. 
 agent: Can you please share your travelling dates? 
 customer: My travel dates are 11/09 and 11/11. 
 agent: May I know your name? 
 customer: My name is Charles Phillips. 
 agent: Sorry to say, no flight is available for you. 
 customer: Ok, thank you for the information. 
 agent: Thank you for reaching us.
answer:
no_flight


question:
customer: Hello. 
 agent: Hello. What help that I can do for you? 
 customer: I would like to cancel my flight reservation as my trip got postponed, can you please help me? 
 agent: Sure, I can help you. Can I know your name please? 
 customer: Thank you, my name is Kathleen Williams. 
 agent: Be on hold for a moment to check it. 
 customer: Ok. 
 agent: Sorry to say that there is no reservation found for the user name in our back end to cancel your ticket booking. 
 customer: Ok, thank you for the information. 
 agent: You are most welcome and have a nice day.
answer:
no_reservation