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 can I assist you today? 
 customer: I booked a flight ticket in your agency for my holiday trip to Houston but now I want a change in the travel dates. So can you go ahead and change my flight ticket? 
 agent: Sure, may I know your name to check for the previous reservation? 
 customer: I am Timothy Mitchell. 
 agent: Please allow me a moment. 
 customer: Sure. 
 agent: Timothy Mitchell, there is no reservation found under your name. 
 customer: Ok, not a problem. Thanks for your information. 
 agent: Thank you for contacting us.

SOLUTION: no_reservation

PROBLEM: customer: Hello. 
 agent: Hello, how may I be at your service today? 
 customer: Can you please help me to book a flight from CLT to MCO? 
 agent: Sure, I will help you in booking the ticket. May I know your travelling dates please? 
 customer: I want to depart on Nov 21 and need to return on Nov 23. 
 agent: Do you have any other specifications? 
 customer: I need a connecting flight. 
 agent: Please help me with your name for booking. 
 customer: Thomas Carter here. 
 agent: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1002. Shall I proceed with this flight? 
 customer: Ok, please proceed. 
 agent: Your booking is done. 
 customer: Thank you. 
 agent: Most welcome.

SOLUTION: book

PROBLEM: customer: Hello. 
 agent: Hello. How can I help you today? 
 customer: My name is Michelle Green, I just need your help in changing my existing reservation details. 
 agent: Sure, please wait for a while. 
 customer: Ok. 
 agent:  I haven't found your previous reservation in our portal to change further. 
 customer: That's ok, thank you for the information. 
 agent: Thank you for opting us.

SOLUTION:
no_reservation