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 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.
[A]: book


[Q]: customer: Hi. 
 agent: Hello. How may I aid you for the day? 
 customer: Owing to an emergency I want cancel my reservation, can you help me? 
 agent: May I know your name please? 
 customer: Myself Linda Rodriguez. 
 agent: Ok, please wait a moment. Thank you for being waiting. There is no reservation found on your name. 
 customer: No problem, thanks for checking. 
 agent: Thank you for reaching us.
[A]: no_reservation


[Q]: customer: Hello. 
 agent: Hello,. 
 customer: I am Justin Williams. 
 agent: OK Williams, how do you do? 
 customer: I am fine. I have planned for a holiday trip to ATL from JFK, could you help me to search a flight ticket? 
 agent: Sure, its my pleasure to help you. In which dates you are willing to travel? 
 customer: My travelling dates are 12/24 and 12/26. 
 agent: OK, can you please wait a moment. 
 customer: Make sure that 1000 and 1 are my price and connections limits. 
 agent: Sure, I will search for the available flights. 
 customer: OK. 
 agent: Sorry Williams, there is no flight with connection 1 on the dates you provided. 
 customer: Oh! that is fine, do not proceed. Thank you for your help. 
 agent: OK, thank you for reaching us. Have a good day.
[A]:
no_flight