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 may I assist you now? 
 customer: I would like to meet my friend on his birthday at Oakland, please help me in booking a ticket from SEA to OAK. 
 agent: Sure, I will help you with that. Can you please provide your preferable dates of travelling? 
 customer: I would like to plan my journey on Jan 4 and return on Jan 6. 
 agent: On whose name I have to book the flight ticket? 
 customer: My name is Anthony Johnson. 
 agent: Do you have any connection limit? 
 customer: I need a connecting flight for my trip. 
 agent: Any more specifications do you have? 
 customer: I prefer normal-cost airlines. 
 agent: Please wait a moment to check the flights. 
 customer: Sure, take your time. 
 agent: Unfortunately there are no flights running on your route with your required preferences. 
 customer: Ok, no problem. Thank you for your information. 
 agent: Thank you for approaching us, have a great day.
answer:
no_flight


question:
customer: Hello. 
 agent: Hello. 
 customer: I am Gregory Evans from Denver. 
 agent: I am here to assist you, please can I know your concern? 
 customer: I want to go Boston next month, can you please book a direct flight for me? 
 agent: Yes Evans, I will try my best to provide you a ticket with direct flight. May I know your travel airport codes? 
 customer: Thank you, I want to take off from DEN and book my return ticket also on BOS. 
 agent: Please can I know your travel dates? 
 customer: My travel dates are 06/24 and 06/26. 
 agent: As per your request there is no direct flight from your location, sorry for the incoveniences. 
 customer: Oh! It's ok no problem, I will go with another airline. 
 agent: Thank you for availing our service. 
 customer: You are welcome.
answer:
no_flight


question:
customer: Hello. 
 agent: Hello, how can I help you today? 
 customer: I want to cancel my reservation, so please help me in the cancellation. 
 agent: Sure, may I know your good name? 
 customer: Myself Jack Carter. 
 agent: Please wait for a moment. 
 customer: Ok. 
 agent: Sorry to say that, no reservation was found with your good name. 
 customer: Not an issue. Thank you. 
 agent: Thank you for reaching us.
answer:
no_reservation