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. 
 customer: I am Donna Hernandez. 
 agent: How may I assist you? 
 customer: I need a direct flight for my journey to attend an important meeting, can you please hep me in flight ticket booking from ORD to JFK? 
 agent: Sure, I will help you in flight ticket booking. 
 customer: Thank you and my travel dates are 03/07 and I will catch the return flight on 03/09. 
 agent: Ok, wait for a moment please. While I am checking for the flights available. 
 customer: Sure, I will wait for your response. 
 agent: Thanks for waiting. I have found Delta airlines which flies with one connection. 
 customer: Yes, please proceed with flight ticket booking. 
 agent: Yes, I have confirmed your flight ticket with flight number 1012. 
 customer: Thank you for your help in my flight ticket booking. 
 agent: Thank you. 
 customer: Welcome.
[EX A]: book

[EX Q]: customer: Hello. 
 agent: Hello, how may I render you today? 
 customer: I need your help to book a flight from IAD to DCA. 
 agent: Sure, we are here to help you. Please let me know your connection limit? 
 customer: Thank you. I am looking for a flight with single connection. 
 agent: May I know your good name? 
 customer: Myself Sarah Hall. 
 agent: Could you please share your journey dates? 
 customer: Sure, I want to travel on Apr 26 and need to return on Apr 28. 
 agent: Are there any more specifications? 
 customer: My depart time must be in the evening. 
 agent: We found a connecting flight 1007 from Hawaiian airline has fare 100 and departure time is 2:00 hours. 
 customer: Ok, please proceed. 
 agent: Your booking has been processed. 
 customer: Thank you. 
 agent: Thank you for choosing us.
[EX A]: book

[EX Q]: customer: Hello. 
 agent: Hello, how may I aid you? 
 customer: Steven Baker here. 
 agent: Steven, nice to meet you. 
 customer: I got to know the service of JetBlue airlines is not good, so I want to cancel my reservation. 
 agent: Sure, please wait for a moment. 
 customer: Ok. 
 agent: Steven, I found reservation for.Can I proceed to cancel your reservation? 
 customer: Proceed for cancellation. 
 agent: Ok, your reservation has been cancelled successfully. 
 customer: Thanks for your help. 
 agent: You are welcome.
[EX A]:
cancel