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 may I help you? 
 customer: Myself Mark Brown here. I  need to fly Las Vegas for my college admission, could you please help me in booking my flight ticket from ATL to LAS? 
 agent: Sure, can you please let me know your journey dates that you wish to travel? 
 customer: My travel dates are 11/11 and 11/13. 
 agent: Do you need a flag stop in between your journey? 
 customer: I need a connecting flight. 
 agent: May I know how much do you want to spend on flight ticket? 
 customer:  I can spend upto 500. 
 agent: Please wait for a while. 
 customer: OK. 
 agent: We found a flight in Southwest airlines, flight number is 1005 with one connection price is 100. Shall I proceed? 
 customer: Ok, you can proceed. 
 agent: Ok, your ticket has been confirmed in economy class. 
 customer:  Thank you for booking. 
 agent: Thank you for opting us.
[EX A]: book

[EX Q]: customer: Hello. 
 agent: Hello, how can I help you today? 
 customer: Can you please help me to book a flight ticket from MCO to LAX? 
 agent: Sure, please share your planned travel dates? 
 customer: My travel dates are Oct 10 to Oct 12. 
 agent: Can I have your name please? 
 customer: My name is Dennis Hernandez. 
 agent: Let me know your connection limit? 
 customer: I need a flight with single connection. 
 agent: Any other requirements to be met? 
 customer: I prefer business class. Sorry, I need a direct flight. 
 agent: Sorry, no flights found with your given details. 
 customer: No problem, thanks for your information. 
 agent: Thank you for reaching us.
[EX A]: no_flight

[EX Q]: customer: Hello. 
 agent: Hello, how can I help you today? 
 customer: I want to book a flight ticket from Charlotte CLT to PHL. Can you find a flight ticket for me? 
 agent: Sure, can you please share your journey dates that you prefer to travel? 
 customer: Ok, my planned trip dates are on Aug 18 and return on Aug 20. 
 agent:  Do you require any stopovers in your journey? 
 customer: I need a direct flight to travel. 
 agent:  Would you let us know if you have any other preferences? 
 customer: No, I don't have any other specifications. 
 agent: Please share your name. 
 customer: Sure. I am Joseph Hall. 
 agent: Sorry to say, no flights found with your requirement. 
 customer: Ok, not an issue. 
 agent: Thanks for reaching us. 
 customer: Thank you for your help.
[EX A]:
no_flight