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 serve you at this moment? 
 customer: Myself Kenneth Parker, I have to attend my friend marriage at Charlotte. Can you please help me in reserving the ticket from MCO to CLT? 
 agent: Sure, I will help you. Please send your travelling dates. 
 customer: I am willing to leave on Oct 02 and again I will rertrieve on Oct 04. 
 agent: Do you have any limitations? 
 customer: I mostly prefer for single connection. Can you please check for this? 
 agent: There is a direct flight available with AA airline, shall I book it? 
 customer: Yes, please go ahead and reserve the ticket. 
 agent: Your booking is done with flight number 1026. Happy journey. 
 customer: Thank you very much for reserving the ticket. 
 agent: You are welcome, have a nice day.
book

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.
no_flight

customer: Hello. 
 agent: Hello, how can I provide service to you? 
 customer: I'm planning to attend my sister's baby shower party, can you book a ticket form IAH to lAS? 
 agent: Sure, may I know your good name? 
 customer: My name is Linda Taylor. 
 agent: Could you please provide your planned travel dates? 
 customer: Sure, my planned departure and return travel dates are 18th and 20th of March. 
 agent: Do you prefer a stopover in between your journey? 
 customer: No, I need direct flight only. 
 agent: Is there any more specifications? 
 customer: No, I don't have any other specifications. 
 agent: Ok, please wait for a couple of minutes. 
 customer: Sure, make it fast. 
 agent: Sorry, there are no flights available as per your requirements. 
 customer: That's ok, thank you for giving the information. 
 agent: Thank you for opting us.
no_flight