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

Example Input: customer: Hi. 
 agent: Hello. How may I assist you today? 
 customer: Can you please book my flight ticket from EWR to MSP? 
 agent: Sure, I will help you. On which dates do you want to travel? 
 customer: My trip dates are 04/13 and 04/15. 
 agent: Could you please provide your name to book your flight ticket? 
 customer: Myself Dennis Brown. 
 agent: Ok, please hold on a moment to check the flights availability. 
 customer: Ok. 
 agent: Based on your information, flight number 1018 from Frontier airlines with 1 connection with the fare of 300 is available for you. Shall I proceed with this? 
 customer: Can you please search a flight ticket with price 200 or otherwise don't confirm this ticket. 
 agent: Sorry to inform you that, there are no flights available with in that budget. 
 customer: Ok, fine thank you for searching a flight ticket for me. 
 agent: Thank you for approaching us, have a great day.
Example Output: no_flight

Example Input: customer: Hi, I am Kimberly Nelson. 
 agent: Hello, How can I help you today? 
 customer: I am one of the best hacker in my company, unfortunately my Las Vegas, NV - LAS branch websites was hacked by some one so they called me to solve that problem. Can you help me to book a connecting flight? 
 agent: Sure, can you please share me your travel dates? 
 customer: I want to fly on 01/10 and recur on 01/12. 
 agent: Ok, please wait a moment. 
 customer: Sure. 
 agent: Can you please share me your airport code? 
 customer: I want to board from Washington DC - DCA. 
 agent: Ok, please wait  a moment. 
 customer: Sure. 
 agent: Sorry to say, no flights found with your requirement. 
 customer: Ok, thank you. 
 agent: Thanks for reaching us.
Example Output: no_flight

Example Input: customer: Hi. 
 agent: Hello. 
 customer: Betty Anderson here. 
 agent: How can I help you today? 
 customer: I want to cancel my reservation today, can you help me? 
 agent: Ok, please wait for a moment. 
 customer: Take your own time. 
 agent: Sorry Betty, no reservation found under your name. 
 customer: Oh! That's sad to know. Thank you for checking anyways. 
 agent: Thank you. 
 customer: Most welcome.
Example Output:
no_reservation