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

[EX Q]: customer: Hello. 
 agent: Hello, how may I serve you today? 
 customer: I planned to meet my friend in DFW, can you please help me to book a flight ticket from OAK? 
 agent: Sure, can I know your good name please? 
 customer: I am Eric Williams. 
 agent:  When you are willing to travel? 
 customer: I prefer to travel on Apr 27 and Apr 29. 
 agent:  Would you let us know if you have any other preferences? 
 customer: I prefer to travel in a connecting flight. 
 agent: We found a connecting flight 1005 in JetBlue airlines at the cost of 200 with economy class. Can I proceed for booking? 
 customer: Ok, please confirm my booking. 
 agent: Your booking is done. 
 customer: Thank you for your help. 
 agent: Thank you for choosing us.
[EX A]: book

[EX Q]: customer: Hello,. 
 agent: Hello. 
 customer: I am Kenneth Harris. 
 agent:  How can I help you? 
 customer: I want to change my existing reservation due to some issues, can you please help me with that? 
 agent: OK, please wait I will revert you. 
 customer: Ok. 
 agent:  Sorry, no reservation was found on your name. 
 customer: Ok, no issues. 
 agent:  Thank you for availing us. 
 customer: Thanks for your information.
[EX A]: no_reservation

[EX Q]: customer: Hi, I am Kevin Williams. 
 agent: Hello, how may I aid you? 
 customer: I want to attend a business meeting at New York, NY-LGA, can you please book me a ticket from Washington, DC-DCA? 
 agent: Sure, may I know your travel dates? 
 customer: My travel dates are from 01/29 to 01/31. 
 agent: Do you have any specifications? 
 customer: My price limit is 500. I want a single connection in between my journey. 
 agent: OK, please wait a moment. 
 customer: Ok. 
 agent: Sorry, there were no flights found on your route. 
 customer: No problem, thanks for your information. 
 agent: Thank you for reaching us.
[EX A]:
no_flight