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 may I serve you today? 
 customer: I would like to travel from BOS to JFK as a business trip, can you do the reservation? 
 agent: Sure, may I know your good name please? 
 customer: Daniel Hall here. 
 agent: When you are willing to travel? 
 customer: My trip dates are Jan 16th and Jan 18th. 
 agent: Is there any connection limit for you? 
 customer: I need break in my journey. 
 agent: Please share your other specifications if you have. 
 customer: No. 
 agent: Thank you for waiting and we have found a flight in an economy class with 1 connection in Hawaiian airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight? 
 customer: Please carry on. 
 agent: Your ticket has been reserved with flight number 1004. 
 customer: Thank you so much. 
 agent: Thank you for approaching us.
[EX A]: book

[EX Q]: 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 A]: no_flight

[EX Q]: customer: Hello. 
 agent: Hello, how may I assist you for today? 
 customer: I am Jeffrey Smith. My father had booked me a flight ticket to take me with him to buy a new Audi car but I met with an accident and doctor told to take bed rest, so he is not taking me with him, can you please cancel my ticket? 
 agent: Yes, I will help you with that. 
 customer: Thank you. 
 agent: I have found reservation under your name, and as per your request I have cancelled it. 
 customer: I am hope fully thank you for your service that cancelling my ticket booking. 
 agent: Thank you for reaching out here. 
 customer: Welcome.
[EX A]:
cancel