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, I am Jessica Mitchell. 
 agent: Hello, how may I assist you today? 
 customer: I am planning to conduct a free medical camp in New York, NY - JFK, so help me in booking a flight ticket from Denver, CO - DEN. 
 agent: Sure, when are you planning to travel? 
 customer: I would like to fly on 11/30, return on 12/02. 
 agent: Please wait for a moment. 
 customer: Sure. 
 agent: Thank you for your details, there are no flights available with the given details. 
 customer: No problem, thank you. 
 agent: Thank you.
no_flight

customer: Hello. 
 agent: Hello. 
 customer: David Evans here. 
 agent: How can I help you at this moment? 
 customer: I would like to visit New York for a business conference, can you please help me out with booking of a flight ticket to go there? 
 agent: Sure, I will help you in booking flight ticket. 
 customer: Thank you. 
 agent: Can you please mention your travel dates for booking flight ticket? 
 customer: Sure, I am planning to go on 10/03 and please book my return ticket on 10/05. 
 agent: May I know your preferable airport code names for further process? 
 customer: Sure, my nearest genesis airport code is SEA and my destination airport code is LGA. 
 agent: Please hold on a moment, I will check flight availability in this route. 
 customer: Ok, take your time but try to bring a best flight in my route. 
 agent: Based on your information, Southwest airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this? 
 customer: That's fine, you can proceed with booking. 
 agent: Your flight ticket is booked successfully, flight number is 1021. 
 customer: Thank you for your assistance in booking of my ticket. Have a nice day. 
 agent: You are welcome.
book

customer: Hello. 
 agent: Hello, how can I help you? 
 customer: Andrew Green here. 
 agent: Nice to meet you. 
 customer: I want to make a reservation for my journey from LAX to meet my wife in EWR, can you please assist me with booking? 
 agent: Sure, I will help you with that. Could you please share your planned travel dates? 
 customer: I will takeoff for my journey on 07/02 and I will be returning on 07/04. 
 agent: Ok, please be on hold. 
 customer: Ok, please check for the flights within the price of 500 only. 
 agent: Sure. 
 customer: Thank you. 
 agent: Thank you for waiting, there are flights found in Jet Blue airline with connection 1 and with price 200. Shall I proceed with booking? 
 customer: That's great to hear form you, you can reserve my ticket for this journey. 
 agent: Kenneth, your booking has been done with flight 1011. 
 customer: Thank you for helping me out with my booking. 
 agent: Thank you for reaching us, have a safe journey. 
 customer: Most welcome.
book