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. 
 customer: Kimberly Mitchell here. 
 agent: How can I assist you Kimberly Mitchell? 
 customer: Can you please help me in cancelling my recent reservation? 
 agent: Sure, I will help you with this. I have found your reservation in our database and I have successfully cancelled it. 
 customer: Thank you so much for your help. 
 agent: Thank you for utilising our service.

Answer: cancel


Question: customer: Hello. 
 agent: Hello. 
 customer: I am Paul Collins. 
 agent: How can I help you out? 
 customer: Could you help me in booking a flight ticket from SFO to DFW? 
 agent: Sure, Can you please let me know your planned trip dates? 
 customer: I will start on July 26, return on July 28. 
 agent: Is there any connection limit for you? 
 customer: I want direct flight. 
 agent: Please help me with your specific depart and arrival timings. 
 customer: My return time should be morning. 
 agent: Do you have any class preference? 
 customer: No. 
 agent: Is there nay other specifications to be met? 
 customer: I want normal cost airline. 
 agent: Thanks for providing details, no flights are available on your journey routes. 
 customer: Not an issue, thank you. 
 agent: Thank you for choosing us.

Answer: no_flight


Question: customer: Hi. 
 agent: Hello, how may I assist you? 
 customer: I want to book a ticket from EWR to EWR, can you help me? 
 agent: Sure, may I know your travel dates please? 
 customer: My travel dates are 01/10 and 01/12. 
 agent: Ok, hold on for a moment. Let me check the best flight for you. 
 customer: Ok. 
 agent: I found a flight for you with Hawaiian airline and it costs you 100. Shall I proceed? 
 customer: Yes, please. 
 agent: Your ticket has been booked with 1005 flight number. May I know your name please? 
 customer: Myself Robert Thompson. Thank you for booking. 
 agent: Robert, thank you for choosing us. Have a safe flight.

Answer:
book