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, I am Jessica Mitchell. 
 agent: Hello, how may I assist you today? 
 customer: I am planning to conduct a free medical camp in New York, NY - JFK, so help me in booking a flight ticket from Denver, CO - DEN. 
 agent: Sure, when are you planning to travel? 
 customer: I would like to fly on 11/30, return on 12/02. 
 agent: Please wait for a moment. 
 customer: Sure. 
 agent: Thank you for your details, there are no flights available with the given details. 
 customer: No problem, thank you. 
 agent: Thank you.

Answer: no_flight


Question: customer: Hi. 
 agent: Hello, how may I help you? 
 customer: Unfortunately I have an emergency meeting so I want to cancel my reservation, can you please help in cancelling my reservation? 
 agent: Sure, I will help you. 
 customer: Thank you. 
 agent: May I know your good name please ? 
 customer: I am Emma Young. 
 agent: Please wait for a while. 
 customer: Ok. 
 agent: Sorry, there is no reservation found on your given name. 
 customer: Ok, no problem. Thank you for your quick response. 
 agent: Thanks for choosing us.

Answer: no_reservation


Question: customer: Hello. 
 agent: Hello, how may I help you? 
 customer: I am Catherine Clark from Detroit. I want to make a reservation from LGA to DTW. Can you please help me with this? 
 agent: Sure, when are you planning to travel? 
 customer: Thank you, my travelling dates are Nov 16 - Nov 18. 
 agent: Do you need any stopover? 
 customer: No, I need a direct flight. 
 agent: Thanks for the information, please stand by. 
 customer: Sure. 
 agent: There is no flight available on mentioned dates. 
 customer: Ok, no problem. Thank you for the information. 
 agent: Thank you.

Answer:
no_flight