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: Hello, Benjamin Hill here. 
 agent: Hello. Hill, how can I assist you? 
 customer: I want to meet my business partner in casino, could you book my ticket from SEA to LAS? 
 agent: Please provide me your travel dates for further process. 
 customer: My trip dates are 11/29 and 12/01. 
 agent: Please wait. 
 customer: Sure. 
 agent: Sorry, no flight is available for you. 
 customer: It's ok, thank you. 
 agent: You are welcome.
answer:
no_flight


question:
customer: Hello. 
 agent: Hello. 
 customer: I am Edward Hill. 
 agent: How may I help you? Nice to meet you Edward. 
 customer: Help me in booking my flight ticket to New York LGA. 
 agent: Sure, tell me your travel dates please? 
 customer: My travelling dates will be 04 to 06 Jan. 
 agent: Now your source airport code please? 
 customer: My source code is OAK. 
 agent: Thanks for your patience. I have found Hawaiian airlines which flies with one connection. 
 customer: You can proceed. 
 agent: Sure, your flight ticket has been confirmed now. 
 customer: Thank you. 
 agent: Thank you.
answer:
book


question:
customer: Hi. 
 agent: Hello, how may I help you? 
 customer: I am Janet Anderson. I am planning to conduct a religious festival at Philadelphia. Can you help me in my booking? 
 agent: Sure, I will help you. 
 customer: Thank you. 
 agent: May I know your travelling dates? 
 customer: I will start my journey on 06/09. I will return on 06/11. 
 agent: Kindly share your journey codes. 
 customer: My source airport code is DC - IAD. My destination is PA - PHL. 
 agent: Please wait for a minute, I will revert to you with flight details. 
 customer: Sure. 
 agent: unfortunately, there is no flight found matching with your requirements. 
 customer: Not an issue. Thank you for your quick response. 
 agent: Thanks for availing us.
answer:
no_flight