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: Hi. 
 agent: Hello, how may I aid you? 
 customer: Joseph Garcia here. I would like to spend some more days with my family, so please help me in changing my existing reservation. 
 agent: Sure, I am here to help you out. Please allow me a moment. 
 customer: Ok. 
 agent: Sorry  Joseph Garcia, there is no active reservation on your name in our database. 
 customer: That's ok, thank you for your help. 
 agent: Thank you for reaching us.

Answer: no_reservation


Question: customer: Hello. 
 agent: Hello, how can I assist you? 
 customer: I am planning to book a flight ticket to DCA from OAK, can you please help me out? 
 agent: Sure, I can help you with that. May I know your travel dates please? 
 customer: Sure, my planned travelling dates are May 24 and May 26. 
 agent: May I know how many connections are you expecting in between your journey? 
 customer: Sure, I am looking for a flight with 1 connection. 
 agent: Please let me know if you have any other specifications. 
 customer: That's all for now. 
 agent: Can I have your good name please? 
 customer: Sure, my name is Jason Young. 
 agent: JetBlue airlines is providing a flight on that route with ticket fare of 100 and single connection, it will departs at 12:00 hours and arrives at 5:00 hours. Shall I proceed for booking? 
 customer: Ok, please confirm my reservation. 
 agent: I have successfully booked you an economy class ticket in flight-1014, have a safe journey. 
 customer: Thank you for the help. 
 agent: Thank you for choosing us.

Answer: book


Question: customer: Hello. 
 agent: Hello, how may I assist you today? 
 customer: Can you please help me in booking a flight ticket from Washington, DCA to reach Philadelphia, PHL? 
 agent: Sure, may I know your planed travel dates? 
 customer: My journey dates are from June 01 to June 03. 
 agent: Do you have any limits in number of connections? 
 customer: I need a connection in between journey. 
 agent: May I know your name for the documentation process? 
 customer: My name is Steven Brown. 
 agent: Do you have any another specifications on your journey? 
 customer: No, thanks for asking. 
 agent: Sorry, we regret to inform you that there is no flight available as per your request. 
 customer: Ok, that's not a problem. 
 agent: Welcome, thank you fro reaching us. 
 customer: Thanks for your information.

Answer:
no_flight