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. 
 agent: Hello. How can I help you today? 
 customer: I am Dorothy Turner, I am going to Washington DC to take tour of White house with my family. Help me to find a flight of price 1000. 
 agent: Could you please provide me airport codes? 
 customer: I will fly from NC-CLT to DC-IAD. Please find a flight with single connection. 
 agent: Sure. To check with availability of flights, I need your travel dates. 
 customer: My travel dates are for depart is 06/29 and returning on 07/01. 
 agent: Please be online, I will revert you with flight details. 
 customer: Ok. 
 agent: Thanks for your time, Delta airline is available with flight number 1015. Can I process the booking? 
 customer: Yes. 
 agent: Ok, Your ticked is confirmed.Thanks for reaching us. 
 customer: Thanks for your service.
answer:
book


question:
customer: Hi, I am Kevin Williams. 
 agent: Hello, how may I aid you? 
 customer: I want to attend a business meeting at New York, NY-LGA, can you please book me a ticket from Washington, DC-DCA? 
 agent: Sure, may I know your travel dates? 
 customer: My travel dates are from 01/29 to 01/31. 
 agent: Do you have any specifications? 
 customer: My price limit is 500. I want a single connection in between my journey. 
 agent: OK, please wait a moment. 
 customer: Ok. 
 agent: Sorry, there were no flights found on your route. 
 customer: No problem, thanks for your information. 
 agent: Thank you for reaching us.
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