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 render you? 
 customer: I want to book a ticket from BOS to JFK, can you help me? 
 agent: Sure, may I know your journey dates? 
 customer: My travel dates are 05/07 and 05/09. 
 agent: Do you have any specification? 
 customer: I need a flight with connection 1. 
 agent: May I know your good name for further process? 
 customer: Myself Lisa Edwards. 
 agent: Thank you for sharing your journey details, please hold on. You have a flight with airline Hawaiian and flight number is 1014 with 1 connection and price is 200. 
 customer: Sure. You can book it. 
 agent: Your reservation is done. 
 customer: Thank you for booking. 
 agent: Thank you for choosing us, have a nice day.

Answer: book


Question: customer: Hi. 
 agent: Hello, how may I abet you? 
 customer: Catherine Hall here, please cancel my reservation which I have done previously. 
 agent: Sure, may I know your good name? Thank you for providing your name, please hold on. 
 customer: Sure, I will wait for your response. 
 agent: No reservation found on your name. 
 customer: It's ok, thanks for your information. 
 agent: Thank you for choosing us, have a nice day.

Answer: no_reservation


Question: customer: Hello, I am Carolyn Jones. 
 agent: Hello, how may I support you? 
 customer: I want to book a ticket from EWR to DFW, can you help me in booking a ticket? 
 agent: Sure, kindly mention your planned dates of travelling. 
 customer: My travel dates are from 02/15 to 02/17. 
 agent: Please wait for a minute. 
 customer: Ok. 
 agent: We found a flight with fare 100 having a halt in Frontier airline and flight number 1002. Shall I confirm your booking? 
 customer: Please go ahead. 
 agent: Your booking has been confirmed. 
 customer: Thank you for your service. 
 agent: Thank you for connecting with us.

Answer:
book