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 guide you for today? 
 customer: I have planned to attend my office meeting in  DEN from EWR, can you assist me in booking my ticket? 
 agent: I am happy to help you in booking your flight ticket. Can you please let me know your planned dates of journey? 
 customer: My trip dates are Oct 27th and Oct 29th. 
 agent: Would you like to have a connecting flight or a direct flight for your journey? 
 customer: Yes, I need one connection between my trip. 
 agent: Can you please let me know your name for reservation purpose? 
 customer: Melissa Carter. 
 agent: Do you have any other specification for your journey to met with? 
 customer: No. 
 agent: JetBlue airlines is providing a flight to your region having a ticket fare of 200 with single connecting flight which departures in the evening. Shall I proceed with the booking in this flight? 
 customer: Proceed. 
 agent: I have booked your flight ticket with the flight 1015 in an economy class. 
 customer: Thank you for booking. 
 agent: You are welcome, thank you for employing our service. Have a safe journey.

Answer: book


Question: customer: Hi,. 
 agent: Hello,. 
 customer: Myself Angela Hill. 
 agent: How may I abet you? 
 customer: I just want to cancel my recent reservation because my husband is suffering from Diabetics and his Blood Pressure was totally high. So, to take care of him I want to cancel it. Can you help me with this? 
 agent: Sure, I am here to help you. 
 customer: Thank you. 
 agent: Please wait a while, I will check the reservation list and get back to you with the status. 
 customer: Sure, I will wait for your response. 
 agent: Thank you for being so patience. 
 customer: My pleasure. 
 agent: I have checked in the reservation list to cancel your ticket, but couldn't find any reservation in your name in the data list. 
 customer: That's fine, not an issue. 
 agent: Thanks for your approach. Hope to serve you again. 
 customer: Thanks for your prompt response. 
 agent: Have a nice day.

Answer: no_reservation


Question: customer: Hello. 
 agent: Hello. How may I assist you today? 
 customer: I would like to book a flight on the route from MSP - OAK, can you please help me today? 
 agent: Sure, please provide me your travelling. 
 customer: I will be travelling on the dates from 06/06 to 06/08. 
 agent: Delta airline is providing flight for you with price 200. Shall I proceed? 
 customer: Ok, please book it if the price is within 5000. 
 agent: May I know your name to proceed further? 
 customer: My name is Emma Harris. 
 agent: Your ticket has been booked with your name. 
 customer: Thank you for helping me out. 
 agent: It's my pleasure.

Answer:
book