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
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Question: customer: Hello. 
 agent: Hello. How can I aid you? 
 customer: I am planning to change an exiting reservation, due to health issue.Can you please change my reservation? 
 agent: Sure. May I know your name? 
 customer: My name is Patricia Brown. 
 agent: Please wait a while. 
 customer: Sure. 
 agent: Thanks for being waiting, We didn't found any reservation by this name. 
 customer: That's fine, thank you for your help. 
 agent: Thank you for opting us.

Answer: no_reservation


Question: customer: Hello. 
 agent: Hello. How can I help you? 
 customer: I am Elizabeth Anderson. I am planning to visit Magic Kingdom at Orlando, could you please help me with booking a flight ticket from LAS to MCO? 
 agent: Yes, I can help you. Can you share me your travelling dates? 
 customer: I would like to take off on 05/27 and return on 05/29. 
 agent: Give me a moment. 
 customer: Sure, take your time. 
 agent: I have found a flight ticket with a price of 100 and 1 connection. 
 customer: Please confirm the booking. 
 agent: Ok, your ticket is booked. 
 customer: I really appreciate your help, thank you for your service. 
 agent: Thank you for contacting us.

Answer: book


Question: customer: Hello. 
 agent: Hello, how can I aid you? 
 customer: I want to cancel my reservation, can you please help me? 
 agent: Sure, I can help you with that. May I know your good name please? 
 customer: My name is Christine Roberts. 
 agent: Ok, please wait for a while. 
 customer: Sure. 
 agent: Christine Roberts, there is no active reservation found under your name to do cancellation. 
 customer: Ok, not a problem. Thank you. 
 agent: Thank you for choosing us.

Answer:
no_reservation