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 assist you? 
 customer: Please reserve me a flight ticket from LGA to DEN. 
 agent: Sure, may I know your connection limit? 
 customer: My connection limit is 1. 
 agent: May I know your trip dates? 
 customer: My travel dates are May 21 and May 23. 
 agent: Do you prefer any specifications? 
 customer: No. 
 agent: Please share your name? 
 customer: My name is Brandon Parker. 
 agent: Sorry, no flights found on your route. 
 customer: No problem, thank you for the information. 
 agent: Thank you.
no_flight

customer: Hello. 
 agent: Hello, how may I assist at this moment? 
 customer: I have to cancel my recent reservation, can you please help me out? 
 agent: Sure, please give me a while. 
 customer: Shirley Miller is my name, please search my flight ticket on that name. 
 agent: Can I know your good name? Ok Miller, there is no reservation showing on your name. 
 customer: Ok, not an issue. Thank you for your information. 
 agent: Thank you for opting us.
cancel

customer: Hello, This is Amanda Edwards. 
 agent: Hello. How may I help you? 
 customer: As I am travelling to Chicago to take part in Army day celebration, please book a plane ticket. 
 agent: Sure. Can you please provide your travel dates and airport codes. 
 customer: Flight details IL - ORD to NC - CLT. Travel dates are from 08/31 to 09/02. With price limit 1000 and no connection. 
 agent: OK. We have found that, there are no flights available for your travel dates. 
 customer: OK. Thanks for your information. 
 agent: Thank you for choosing us for your ticket booking. Have a nice day. 
 customer: You too.
no_flight