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 Input:
customer: Hello. 
 agent: Hello. How may I assist you today? 
 customer: Can you help me in booking a flight ticket form LAS to BOS? 
 agent: Sure, I am gleeful to help you with that. May I know your planned journey dates? 
 customer: I want to travel on 09/04, and return on 09/06. 
 agent: Do you have any other specification? 
 customer: I need a break in my journey. 
 agent: May I know your name please? 
 customer: I am Joshua Scott. 
 agent: Sorry to say that, there are no flights found on this route as per your details. 
 customer: Ok, no issues. 
 agent: Thank you for reaching us, have a great day. 
 customer: Thanks for the information.

Ex Output:
no_flight


Ex Input:
customer: Hello. 
 agent: Hello, how can I help you? 
 customer: I am Betty Williams, help me to book a flight ticket on 08/18 to meet my step father at Philadelphia. Can you book a return ticket on 08/20? 
 agent: Sues, may I know your price limit for this journey? 
 customer: My budget is 5000 for flight ticket. 
 agent: Ok, please provide me your airport codes. 
 customer: I will fly from Orlando, FL-MCO to PA-PHL. 
 agent: Ok, let me check the availability on your route. 
 customer: Sure. 
 agent: Betty, Frontier airline is available with price 100 with single connection. Shall I proceed? 
 customer: Sure. 
 agent: Reservation has been done in 1028 flight. 
 customer: Thank you for helping me with booking. 
 agent: Thank you for opting us.

Ex Output:
book


Ex Input:
customer: Hello. 
 agent: Hello. How can I help you? 
 customer: I am James Phillips, want to travel from ATL to JFK. Please help me. 
 agent: Sure, I will help you. 
 customer: Thank you. 
 agent: Could you please share your depart and arrival dates? 
 customer: My travel dates are from 06/08 to 06/10. 
 agent: May I know your connection limit? 
 customer: No, I don't have any other requirement. 
 agent: Ok, please wait a minute. 
 customer: Ok. 
 agent: Thank you for waiting, there is a flight available with fare 700 in business class having single connection. Shall  I reserve your ticket in Hawaiian airline? 
 customer:  You have any discount on fare because m,y budget limit is 200. 
 agent: Sorry, we can not provide any discount on your ticket fare. 
 customer: Ok. Then, please don't proceed with the booking. 
 agent: Ok. Thank you for approaching us. 
 customer: Most welcome.

Ex Output:
no_flight