TASK DEFINITION: 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
PROBLEM: customer: Hi. 
 agent: Hello, how may I assist you? 
 customer: I am Laura Carter here, I want to reserve my ticket from BOS to PHL, can you please help me in booking? 
 agent: May I know your trip dates? 
 customer: Sure, my planned dates of journey are from Sep, 01 to Sep, 03. 
 agent: May I know your connection limit? 
 customer: Yes, I need a connecting flight. 
 agent: Is there any class preference? 
 customer: Yes, I need a business class. 
 agent: Ok, can you share your name to proceed further? 
 customer: I have mentioned. 
 agent: Ok, do you have any other specifications? 
 customer: No. 
 agent: Ok, please wait. 
 customer: Sure, I will wait. 
 agent: Sorry, there are no flights found with your required details. 
 customer: Ok, no problem. Anyways, thank you for your service. 
 agent: Thank you for reaching us.

SOLUTION: no_flight

PROBLEM: customer: Hello. 
 agent: Hello. 
 customer: I am Jennifer Hall. 
 agent: How can I help you? 
 customer: I want to cancel my reservation, due to heavy rainfall in Seattle, can you help me? 
 agent: Yes, I can help you. 
 customer: Thank you. 
 agent: Sorry to inform you that there is no reservation found on your name. 
 customer: That's ok, thank you for your information. 
 agent: Thank you for contacting us.

SOLUTION: no_reservation

PROBLEM: customer: Hello. I am Scott Green. 
 agent: Hello, how can I be your helping hand? 
 customer: I need to book a flight ticket to attend business conference meeting at Seattle SEA. Can you please help me for booking from JFK? 
 agent: Sure, may I know when would you like to travel? 
 customer: I would like to travel on 02/16 to arrival on 02/18. 
 agent: Do you prefer direct flight or connecting flight? 
 customer: I prefer only connecting flight. 
 agent: Is there any restriction limit? 
 customer: I can pay up to 5000. 
 agent: We found an airline Spirit with flight number 1000 having a single connection and fare is 100. Shall I proceed with booking? 
 customer: Ok, proceed for booking. 
 agent: Your booking has been confirmed. 
 customer: Thanks for your information. 
 agent: Thank you for reaching us.

SOLUTION:
book