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 help you today? 
 customer: Emily Anderson here. I would like to travel from EWR to meet my brother who was staying in BOS, can you help me to find a flight? 
 agent: Sure, we are here to help you. Can you share me your travelling dates? 
 customer: Thank you. My travelling dates are Nov, 22 and Nov, 24. 
 agent: Do you need any halt in between your journey? 
 customer: Yes, I need a halt between journey. 
 agent: Ok, wait for some time I will check and get back to you. 
 customer: Sure. 
 agent: Thanks for waiting there are no flights found on your details. 
 customer: That's fine, thanks for your information. 
 agent: Thanks for approaching us.
[A]: no_flight


[Q]: customer: Hi, I am Joshua Phillips. 
 agent: Hello, how can I assist you? 
 customer: I have heard that Orlando is the best place for site seeing. So, can you book a flight ticket from Philadelphia, PA - PHL? 
 agent: Sure, we are here to help you. Can I have the exact airport code of Orlando? 
 customer: Sure, my destination code is FL - MCO. 
 agent: How much can you afford for this trip? 
 customer: I can afford up to 500. 
 agent: When are you planning to go Orlando? 
 customer: I want to travel on 07/19. 
 agent: Ok, do you need a stopover in between your route? 
 customer: Yes, I need a stopover. 
 agent: Please help me with your return date. 
 customer: My arrival date is on 07/21. 
 agent: Joshua, there is a flight from Frontier airline with fare 100 only. Shall I proceed with the booking? 
 customer: You may proceed if it is a connecting flight. 
 agent: Yes, it is a connecting flight. 
 customer: Thank you for your support, regarding flight booking process. 
 agent: Your reservation is confirmed with flight number 1005 on your name Joshua Phillips. Thank you for consulting us. 
 customer: Thank you.
[A]: book


[Q]: customer: Hello. 
 agent: Hello. How can I help you today? 
 customer: Myself Kevin Wright, I have a business meeting in Detroit. Can you please help me to book my ticket from AUS to DTW? 
 agent: Sure, can I know your preferred dates of travel? 
 customer: My planned dates are from 06/26 to 06/28. 
 agent: There is a flight available on your given dates, ticket price is 100 only. Shall I book the ticket? 
 customer: Sure, you can proceed for booking my ticket. 
 agent: Your ticket has been booked successfully with Delta airline and the flight number is 1020. 
 customer: Thank you for booking my ticket. 
 agent: Thank you for choosing us, have a safe journey. 
 customer: You are welcome.
[A]:
book