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 Q]: customer: Hello. 
 agent: Hello. How can I aid you today? 
 customer: I need to book a connecting flight with the normal-cost airlines. Can you help me with that? 
 agent: Sure, I am here to help you with that flight ticket booking. May I know your travelling dates? 
 customer: Thank you for considering my request. My travelling dates are June 27 and June 29. 
 agent: May I know your name please? 
 customer: My name is Deborah Adams. 
 agent: Is there any airline preference? 
 customer: I have mentioned you already. 
 agent: May I know your preferable airport codes, please? 
 customer: Sure, my airport codes are HOU and PHL. 
 agent: Do you have any other specifications? 
 customer: No. 
 agent: Please wait for a whils. 
 customer: Sure. 
 agent: There are no flights on this route as per your details. 
 customer: Not a problem, anyways thank you for the information. 
 agent: Thank you for reaching us, have a great day.
[EX A]: no_flight

[EX Q]: customer: Hello. 
 agent: Hello. 
 customer: I am Jennifer Jackson. 
 agent: How may I aid you? 
 customer: I am planning to attend music concert at AUS, can you please help me with booking a flight ticket from PHL? 
 agent: Sure, I am here to help you in booking process. Could you please provide me your journey dates? 
 customer: Sure, I would like to take off on Sept 5 and return on Sept 7. 
 agent: May I know your connection limit? 
 customer: Yes, make sure that the connection limit is 1. 
 agent: Please wait for a moment. 
 customer: Sure, take your time. 
 agent: Based on your details, there is a flight with 1 connection in AA airlines and price is 100. Can I proceed? 
 customer: Yes, please proceed with the booking. 
 agent: Ok, your ticket is reserved with the flight 1025. 
 customer: Thank you for your help. 
 agent: Thank you for choosing us. 
 customer: You are welcome.
[EX A]: book

[EX Q]: customer: Hi. 
 agent: Hello, how can I help you? 
 customer: Could you please book a flight ticket from PHL to BOS? 
 agent: Sure, may I know the travelling dates? 
 customer: My trip dates are Feb 06 and Feb 08. 
 agent: Do you have any connection limit? 
 customer: I need a connecting flight. 
 agent: Are there any other requirements? 
 customer: No. 
 agent: May I know your name? 
 customer: I am Angela Garcia. 
 agent: Please wait a minute. 
 customer: Sure. 
 agent: Sorry, no flights found with your preferable dates. 
 customer: No problem, thank you. 
 agent: Thank you for opting us.
[EX A]:
no_flight