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

customer: Hello. 
 agent: Hello. How may I help you? 
 customer: I want to go to LAX from LGA, so please help me to book a flight ticket. 
 agent: Sure, may I know your travelling dates? 
 customer: My travelling dates are 06/08 and 06/10. 
 agent: Ok, wait for a minute. May I know your name? 
 customer: My name is Linda Collins. 
 agent: Sorry, no flight's found on your details. 
 customer: Its ok, thank you for the information. 
 agent: Thank you for contacting us. 
 customer: You are welcome.
no_flight

customer: Hi, I am Kimberly Nelson. 
 agent: Hello, How can I help you today? 
 customer: I am one of the best hacker in my company, unfortunately my Las Vegas, NV - LAS branch websites was hacked by some one so they called me to solve that problem. Can you help me to book a connecting flight? 
 agent: Sure, can you please share me your travel dates? 
 customer: I want to fly on 01/10 and recur on 01/12. 
 agent: Ok, please wait a moment. 
 customer: Sure. 
 agent: Can you please share me your airport code? 
 customer: I want to board from Washington DC - DCA. 
 agent: Ok, please wait  a moment. 
 customer: Sure. 
 agent: Sorry to say, no flights found with your requirement. 
 customer: Ok, thank you. 
 agent: Thanks for reaching us.
no_flight

customer: Hi. 
 agent: Hello, how may I assist you? 
 customer: Owing to an emergency, I am unable to attend a workshop on java technology in New York. So I had a request to you to cancel my existing reservation? 
 agent: Can I know your name please? 
 customer: Sure, I had a recent reservation with name Michelle Green. 
 agent: Please give me a moment. 
 customer: Sure. 
 agent: Thanks for waiting. Unfortunately no reservation found on your given name. 
 customer: Ok, no worries at all. 
 agent: Thank you for choosing us. 
 customer: I appreciate  your quality service.
no_reservation