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

[Q]: customer: Hello. 
 agent: Hello, how may I aid you? 
 customer: I am Kenneth Perez. I would like to book a ticket from DCA to SEA, can you please help me out? 
 agent: I am glad to help you about that. Can you please provide your planned dates of journey? 
 customer: I am travelling on these dates 12/08 and 12/10. 
 agent: Hold on for sometime. 
 customer: Make sure my connection limit is 0. 
 agent: Sorry Perez, there is no flights on your planned dates of journey. 
 customer: Ok no problem, thank you for your services. 
 agent: Most welcome, thank you for reaching out here.
[A]: no_flight


[Q]: customer: Hello. 
 agent: Hello. 
 customer: I am jonathan Miller. 
 agent: How can I assist you? 
 customer: My trip has been cancelled? Could you cancel my reservation? 
 agent: Yes, sure. Give me a moment. 
 customer: Ok. 
 agent: Jonathan Miller there is no reservation as per your name. 
 customer: It's ok. Thank you for your service. 
 agent: Thank you for choosing us.
[A]: no_reservation


[Q]: customer: Hi. 
 agent: Hello. How can I aid you? 
 customer: I am Alexander Moore. I want to participate in cultural events held at New York, NY - JFK. Can you please book a ticket with single connection? 
 agent: Sure, may I know the flying and landing dates? 
 customer: I would like to depart on 04/24 and return on 04/26. 
 agent: Is there any price limit? 
 customer: My origin is NY - LGA. Price limit is 1000. 
 agent: There is a flight in airline UA and number is 1029. The connection is as per your request. Can I proceed with booking? 
 customer: Please proceed. 
 agent: Your ticket is confirmed, happy journey. 
 customer: Thanks for your service. 
 agent: Thank you for choosing us.
[A]:
book