instruction:
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
question:
customer: Hi. Amy Jones here. 
 agent: Hello, how can I support you? 
 customer: Can you book a flight ticket for my airport codes that is from SFO to PHX? 
 agent: May I know your trip dates? 
 customer: The trip dates are from 18 June to 20 June. 
 agent: Do you need any break in my journey? 
 customer: Yes. 
 agent: Is there any class preference? 
 customer: No. 
 agent: Do you have any other requirements? 
 customer: No, that is it. 
 agent: May I know your name please? 
 customer: I am Amy Jones. 
 agent: There is a connecting flight with fare of 100 and 1020 flight number. Shall I proceed? 
 customer: You can book the flight ticket. 
 agent: Your seat has been reserved with Frontier airlines in economy class. 
 customer: Thank you. 
 agent: Thank you for choosing our services.
answer:
book


question:
customer: Hello. 
 agent: Hello, how may I assist you? 
 customer: Is it Central Booking Agency? 
 agent: Yes, say what help are you expecting from my side? 
 customer: Can you book a flight ticket from AUS to LGA? 
 agent: Sure, please mention your dates of trip? 
 customer: It's from 02/09 to 02/11. 
 agent: Ok, please hold on for a moment. 
 customer: Ok, take your time. 
 agent: Sorry, there is no flight is available as per your respective details. 
 customer: Ok, no problem. 
 agent: May I know your name please? 
 customer: Sure, my name is Brenda Clark. 
 agent: Thank you for your information. 
 customer: That's ok. 
 agent: You are welcome.
answer:
no_flight


question:
customer: Hello. I am Robert Campbell. 
 agent: Hello, how can I help you today? 
 customer: Can you help me in booking a plane ticket with fare 5000? 
 agent: Sure, may I know your depart and arrival dates? 
 customer: I will depart on 03/12 as I have to attend a technical seminar. After that, my return will be on 03/14. 
 agent: May I know your boarding and landing airport codes? 
 customer: My source code  is Dallas & Fort Worth, DFW and destination point is Detroit, DTW. 
 agent: Do you have any other requirements? 
 customer: I need a stopover in between my journey. 
 agent: OK, please wait for a while. 
 customer: Ok. 
 agent: Thanks for waiting. Sorry to say you there is no flight found with your given details. 
 customer: No problem. Thank you. 
 agent: Thank you for opting us.
answer:
no_flight