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 may I help you? 
 customer: I planned to meet my friend in HOU, can you please help me to book a flight ticket from AUS? 
 agent: Sure, please share your journey dates? 
 customer: I prefer to travel on Sep 24 and Sep 26. 
 agent: Do you have any specifications? 
 customer: I would like to return back in afternoon. 
 agent: Is there any class preference? 
 customer: No. 
 agent: May I know your good name? 
 customer: I am Jason Garcia. 
 agent: Sorry, no flights found on your given details. 
 customer: Ok, no problem. Thank you for your information. 
 agent: Thank you for choosing us.

Answer: no_flight


Question: customer: Hi. 
 agent: Hello. How may I assist you today? 
 customer: I am Christine Jones. 
 agent: Nice meeting you Jones. 
 customer: Can you help me in booking from LAX to PHX? 
 agent: Sure, I will help you. Can you please provide your planned dates of travelling? 
 customer: My trip dates are 05/11 to 05/13. 
 agent: Please wait a moment to check the flights. 
 customer: Sure. 
 agent: Based on your information, I have found a flight with 1 connection with the fare of 100. Is it ok for you? 
 customer: You can book it. 
 agent: Ok, your ticket has been booked in flight number 1004. 
 customer: Thank you. 
 agent: Thank you for approaching us, have a great journey.

Answer: book


Question: customer: Hello. 
 agent: Hello, how may I best serve you now? 
 customer: I want to change my reservation. Can you help me for that one? 
 agent: Sure, I can change your reservation right now. Before that I need to know your good name please to track the details? 
 customer: Sure, Justin Nelson here. 
 agent: Ok, Please stay online, I will check the previous list and revert to you. 
 customer: Sure. 
 agent: Thanks for remaining so positive. We are sorry to specify that, there is no active reservation found on your name. 
 customer: No issues, thank you for your time. 
 agent: Thanks for choosing us, wish you a great day.

Answer:
no_reservation