Detailed Instructions: 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
Problem:customer: Hello. 
 agent: Hello, how may I aid you? 
 customer: I planned to meet my friend in HOU, can you please help me to book a flight ticket from DCA? 
 agent: Sure, let me know your trip dates please? 
 customer: I prefer to travel on Dec 28 and Dec 30. 
 agent: May I know your connection limit? 
 customer: I prefer to travel in a connecting flight. 
 agent: Do you need any other preference? 
 customer: No. 
 agent: Can I know your name please? 
 customer: I am Amanda Martin. 
 agent: Frontier Airlines is providing connecting flight with the ticket fare of 100 and depart time is 4:00 hours, arrival time is 6:00 hours. Shall I proceed? 
 customer: Ok, please confirm my booking. 
 agent: Your ticket has been confirmed by flight number 1005 and an economy class. 
 customer: Thank you for your help. 
 agent: thanks for choosing us.
Solution:
book