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, David Davis here. 
 agent: Hello. How can I help you? 
 customer: I planned to attend for an event in DCA, can you please help me to book a flight ticket from HOU? 
 agent: Sure, can you please tell your travelling dates? 
 customer: I planned to start on 08/09 and return back on 08/11. 
 agent: For your destination I found a flight with 1 connection and ticket price is just 400 from Spirit airline. Shall I proceed the process? 
 customer: Yes, please proceed to book. 
 agent: Your reservation is confirmed with flight 1017. Have a safe journey. 
 customer: Thank you for your valuable service. 
 agent: Thank you and have a nice day.
[EX A]: book

[EX Q]: customer: Hi. 
 agent: Hello, how can I help you today? 
 customer: Can you please book a flight ticket from JFK to PHX? 
 agent: Sure, let me know your trip dates? 
 customer: I want to travel in Aug from 19th to 21st. 
 agent: May I know your connection limit? 
 customer: I want a connecting flight. 
 agent: Do you have any other requirements? 
 customer: No. 
 agent: Can I know your name? 
 customer: Donna Garcia here. 
 agent: Thanks for your details, there is no flight found on your journey routes. 
 customer: That's ok, thank you for checking. 
 agent: Thank you for availing us.
[EX A]: no_flight

[EX Q]: customer: Hello, I am Paul Scott. 
 agent: Hello, how may I assist you? 
 customer: I am a cricket player, due to heavy rains my cricket match got cancelled, so can you please help me out with cancellation? 
 agent: Sure, please wait a moment, I will check and get back to you. 
 customer: Sure. 
 agent: Thanks for waiting, we found a reservation on your name. Shall I proceed for cancellation? 
 customer: Please proceed. 
 agent: Your ticket has been cancelled. 
 customer: Thank you for your service. 
 agent: Thanks for choosing us.
[EX A]:
cancel