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 help you? 
 customer: I want to cancel my recent reservation. Can you help me out? 
 agent: Sure, can you help me with your name? 
 customer: Deborah Lee. 
 agent: Sorry, there is no reservation found under your name. 
 customer: That's ok. Anyways, thank you. 
 agent: Thank you for reaching us.

Answer: no_reservation


Question: customer: Hi. 
 agent: Hello. How may I assist you? 
 customer: Can you please help me to book flight ticket from JFK to LAX? 
 agent: Sure, may I know your travel dates please? 
 customer: My trip dates are July 18 and July 20. 
 agent: Can you please share your name? 
 customer: I would prefer connecting flight. 
 agent: On whose name you want me to book a flight ticket? 
 customer: Sorry, I am Gary Walker. 
 agent: Do you have any other specifications? 
 customer: No, thank you for asking. 
 agent: American airlines is providing connecting flight for you with the fare of 100 in economy class, shall I proceed with the booking? 
 customer: Yes, you can proceed. 
 agent: Your ticket is booked with the flight-1009. 
 customer: Thank you. 
 agent: Thank you for choosing us.

Answer: book


Question: customer: Hello. 
 agent: Hello, how may I be at your service today? 
 customer: I would like to travel from MCO to DEN as a business trip, can you do the reservation? 
 agent: Sure, I will help you in booking the ticket. May I know your travelling dates please? 
 customer: My trip dates are 02/21 and 02/23. 
 agent: Do you have any other specifications? 
 customer: I need break in my journey. 
 agent: Please help me with your name for booking. 
 customer: Charles Wilson here. 
 agent: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1017. Shall I proceed with this flight? 
 customer: Go ahead. 
 agent: Your booking is done. 
 customer: Thank you so much. 
 agent: Most welcome.

Answer:
book