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 can I help you? 
 customer: I want to cancel my recent reservation. Can you help me out? 
 agent: Sure, can you help me with your name? 
 customer: Deborah Lee. 
 agent: Sorry, there is no reservation found under your name. 
 customer: That's ok. Anyways, thank you. 
 agent: Thank you for reaching us.
no_reservation

customer: Hello. 
 agent: Hello. How can I assist you today? 
 customer: Can you help me to book a flight ticket from ATL to MSP? 
 agent: Sure, I will help you with that, can you share me your travelling dates? 
 customer: My preferable journey dates are Nov 28 and Nov 30. 
 agent: Do you have any connection limit? 
 customer: Yes, my connection limit is 1. 
 agent: Can you have any airline preference? 
 customer: I would like to prefer normal cost airline. 
 agent: I would like to know your name for booking for a flight ticket? 
 customer: My name is Samantha Carter. 
 agent: United Airlines is available with the price of 200 having one connection and economy class. Can I proceed to booking? 
 customer: Please proceed. 
 agent: Your ticket is booked with the flight- 1008. 
 customer: Thank you. 
 agent: Thank you for reaching us.
book

customer: Hello. I am Joseph Lee. 
 agent: Hello, how may I amend you for the day? 
 customer: I am planning to for Death valley Adventure at Philadelphia, can you please help me in booking? 
 agent: Sure, I am rapturous to help you. Can you please share your planned dates? 
 customer: My planned dates are from 05/07 to 05/09. 
 agent: May I know your budget limit? 
 customer: I can afford upto 5000. 
 agent: Please mention your boarding and landing points? 
 customer: My boarding is at Dallas, TX-DFW and landing is at Philadelphia, PA-PHL. 
 agent: Thank you for providing the details. 
 customer: Ok. 
 agent:  we are unable to provide flight in between your journey routes due to heavy snow fall at destination airport. 
 customer: Ok, no problem. Thank you. 
 agent: Thank you for approaching us.
no_flight