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 help you? 
 customer: I am Gregory Allen. I want to attend a live music concert in EWr, can you please find a flight from ORD? 
 agent: Sure, I will help you to book a flight. Can you please share me your travelling dates? 
 customer: I want to start my journey on 10/10 and my return will be on 10/12. 
 agent: Please hold on for a moment. 
 customer: Ok, take your time. 
 agent: Here, I found a flight for you with single connection. Shall I proceed for booking? 
 customer: Please proceed. 
 agent: Your ticket is booked with flight number 1000 and airline is Southwest. 
 customer: Thank you for booking.
[EX A]: book

[EX Q]: customer: Hello, I am Lisa harris. 
 agent: Hello, How may I assist you? 
 customer: I want to attend a cultural exhibition in MA - BOS on 09/15 from IL - ORD and return on 09/17. Can you please help me out in booking a ticket with price limit of 5000? 
 agent: Sure. Give me some moment to check the availability of flight? 
 customer: OK. 
 agent: Thank you for being patience. There is a flight available based on your availability. Frontier air lines,flight number 1025. 
 customer: Can I know the price of the flight? 
 agent: Sure. The price is 100. Shall I proceed for booking? 
 customer: OK, you can proceed for booking. 
 agent: OK. Your ticket has been booked successfully. 
 customer: Thanks for your response. 
 agent: Thank you for choosing us!.
[EX A]: book

[EX Q]: customer: Hello. 
 agent: Hello. How can I assist you at this moment? 
 customer: I have to cancel my flight ticket reservation due to some office on the same date, can you help me? 
 agent: Sure, I will help you with this. 
 customer: Thank you. 
 agent: Can you please provide the name on which you have made the reservation previously? 
 customer: Sure, my name is Thomas Scott. 
 agent: Thomas Scott, there is no active reservation found under your name in our database. 
 customer: Ok, no issues with that one, thank you for your information. 
 agent: Thank you for utilising our service.
[EX A]:
no_reservation