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 aid you? 
 customer: I planned to meet my friend in HOU, can you please help me to book a flight ticket from DCA? 
 agent: Sure, let me know your trip dates please? 
 customer: I prefer to travel on Dec 28 and Dec 30. 
 agent: May I know your connection limit? 
 customer: I prefer to travel in a connecting flight. 
 agent: Do you need any other preference? 
 customer: No. 
 agent: Can I know your name please? 
 customer: I am Amanda Martin. 
 agent: Frontier Airlines is providing connecting flight with the ticket fare of 100 and depart time is 4:00 hours, arrival time is 6:00 hours. Shall I proceed? 
 customer: Ok, please confirm my booking. 
 agent: Your ticket has been confirmed by flight number 1005 and an economy class. 
 customer: Thank you for your help. 
 agent: thanks for choosing us.

Answer: book


Question: customer: Hello. 
 agent: Hello, how can I oblige you today? 
 customer: I am Jason Anderson, can you cancel my reservation? 
 agent: Sure, we are here to help you. Please wait for a few minutes, I will check the status and revert to you. 
 customer: Sure. 
 agent: Thank you for your time, we did not find any reservation on your name in our database. 
 customer: Thank you for informing me. 
 agent: Thank you for choosing us.

Answer: no_reservation


Question: customer: Hello. 
 agent: Hello, how can I help you today? 
 customer: Can you help me booking a flight ticket from EWR to DTW? 
 agent: Sure, can you please share your planned travel dates? 
 customer: I will start on 06/24 and return on 06/26. 
 agent: Do you have any connection limit? 
 customer: I need a break in my journey. 
 agent: Any other preferences? 
 customer: No. 
 agent: Can I have your name please? 
 customer: I am Susan Campbell. 
 agent: Jetblue airlines flight 1008 available with connection and fare is 200, shall I confirm this economy class flight? 
 customer: Please proceed with the booking. 
 agent: Ok, your ticket has been processed. 
 customer: Thank you for your kind service. 
 agent: Thank you for opting us.

Answer:
book