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 assist you? 
 customer: Emma Wilson here. 
 agent:  Emma Wilson, nice to meet you. 
 customer: I would like to book a ticket from OAK to JFK, could you please help me? 
 agent: Sure, let me know travel dates too. 
 customer: My journey dates are 12/11 and 12/13. 
 agent: I got a flight for you with 0 connection. Shall I proceed? 
 customer: Yes, proceed. 
 agent: Ok, your ticket has been booked with flight number 1016 and your airline is Spirit. 
 customer: Thank you for the help. 
 agent: Thank you for choosing us.

Answer: book


Question: customer: Hello. 
 agent: Hello, how can I assist you for the day? 
 customer: Please change my existing reservation due to some health issues? 
 agent: Sure, I am here to help you. May, I know your good name? 
 customer: Sure, I am Kenneth Hernandez. 
 agent: Sorry, we found no reservation on your given name. 
 customer: Ok, not an issue. Thank you for your information. 
 agent: Thank you for reaching us.

Answer: no_reservation


Question: customer: Hello. 
 agent: Hello. 
 customer: I am Elizabeth Evans. 
 agent: How can I help you today? 
 customer: Can you please help me in cancelling my recent reservation, as my exam scheduled got cancelled. 
 agent: Sure, I am here to help you to cancel your reservation. 
 customer: Thank you. 
 agent: Please wait a moment. 
 customer: Ok. 
 agent: Sorry, no reservation found on your name to cancel your reservation. 
 customer: Ok, no issues. Thank you for your help. 
 agent: Thank you for choosing us, have a nice day.

Answer:
no_reservation