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 help yo today? 
 customer: Stephen Harris here. Please help me out in booking the ticket from MSP to EWR. 
 agent: Sure, can you please mention with your dates of journey? 
 customer: My trip dates will be Mar 27 to Mar 29. 
 agent: Ok, may I know your airline preference please? 
 customer: No. 
 agent: May I know your class preference please? 
 customer: Business class. 
 agent: Please wait for a mean while. 
 customer: Ok. 
 agent: Sorry Stephen, there is no flight found as per your travelling details. 
 customer: That's ok, thank you. 
 agent: You are welcome.

SOLUTION: no_flight

PROBLEM: customer: Hello. 
 agent: Hello, how can I help you today? 
 customer: Emily Anderson here. I would like to travel from EWR to meet my brother who was staying in BOS, can you help me to find a flight? 
 agent: Sure, we are here to help you. Can you share me your travelling dates? 
 customer: Thank you. My travelling dates are Nov, 22 and Nov, 24. 
 agent: Do you need any halt in between your journey? 
 customer: Yes, I need a halt between journey. 
 agent: Ok, wait for some time I will check and get back to you. 
 customer: Sure. 
 agent: Thanks for waiting there are no flights found on your details. 
 customer: That's fine, thanks for your information. 
 agent: Thanks for approaching us.

SOLUTION: no_flight

PROBLEM: customer: Hello. 
 agent: Hello, how may I support you today? 
 customer: Angela Lewis here. I want to cancel my recent reservation due to some bad weather conditions. Can you please help me for this one? 
 agent: Sure, please wait for a while. 
 customer: Take your time. 
 agent: Sorry to say that, there is no active reservation found on your name to cancel. 
 customer: No issues, thank you for your response. 
 agent: Thank you for opting us.

SOLUTION:
no_reservation