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

[Q]: customer: Hello. 
 agent: Hello,. How can I amend you today? 
 customer: I am Jason Young. I want to book a ticket to meet my old friends, can you please help me that? 
 agent: Sure, we are here to aid you. 
 customer: Thank you. 
 agent: Where you want to go? 
 customer: I want to go from Charlotte, CLT to New York, JFK. 
 agent: Kindly assign your preferred dates of travelling? 
 customer: I would like to leave between 05/24 and 05/26. 
 agent: Thanks for your details. Based on your request we found a plane 1002 of Southwest airline with a connecting flight. Shall I proceed? 
 customer: Yes, please book this ticket. 
 agent: Reservation is done. 
 customer: Thank you so much. 
 agent: Thank you for availing us.
[A]: book


[Q]: customer: Hello. 
 agent: Hello. How can I help you? 
 customer: I have planned to book a flight on June 14th, so please help me in booking a flight. 
 agent: Sure, may I know your airport codes please? 
 customer: My airport codes are LAS - BOS. 
 agent: Your return journey date please? 
 customer: I intend to return on 16th June. 
 agent: Do you have any specifications? 
 customer: I would like to depart in morning time. 
 agent: Any thing else? 
 customer: I prefer an economy class. 
 agent: May I know your name please? 
 customer: Sure, my name is Daniel Moore. 
 agent: I am sorry no flights found your route. 
 customer: No worries, thank you. 
 agent: Thank you for choosing us.
[A]: no_flight


[Q]: customer: Hello. 
 agent: Hello, how may I assist you today? 
 customer: I am planning to attend a Hockey competition in DCA from LAS. Can you find a flight ticket for me? 
 agent: Sure, may I know your planned travel dates? 
 customer: Ok, my planned trip dates are on Sept 05 and return on Sept 07. 
 agent: Do you have any specifications on your journey? 
 customer: Ok, I need a single connecting flight. 
 agent: May I know your name for the booking process? 
 customer: Ok, my name is Susan Roberts. 
 agent: Spirit Airlines providing a flight with the price 100 with single connection. Can I proceed for the booking? 
 customer: Please go ahead with the ticket booking. 
 agent: Your ticket reservation done with the flight number 1000. 
 customer: Thank you for your help. 
 agent: Welcome, thank you for reaching us.
[A]:
book