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 assist you now? 
 customer: I want to book a ticket from DEN to IAD to attend seminar, can you help me in booking? 
 agent: sure, I am happy to help you with that. Can I have your travel dates please? 
 customer: I am departing on Mar 10 and return on Mar 12. 
 agent: Ok, please let me know the timings of your journey. 
 customer: I do not have any time preferences. 
 agent: Do you prefer any specific class to travel? 
 customer: I do not have any class preference. 
 agent: Are you looking for any connecting flight or direct flight only you want? 
 customer: I prefer a connecting flight. 
 agent: Can I have your good name please? 
 customer: My name is Matthew Campbell. 
 agent: Ok, please wait a moment. 
 customer: Sure. 
 agent: UA airlines running a direct flight in your route which can provide a ticket with fare 200  in economy class. Are you ok with this flight? 
 customer: Please proceed for booking. 
 agent: Ok Matthew Campbell, your ticket booking has done and the flight number is 1001. 
 customer: Thank you for your help. 
 agent: Thank you for choosing us, have a great journey.
answer:
book


question:
customer: Hello. 
 agent: Hello. How can I assist you? 
 customer: I am Nicholas Martinez. I am travelling from Denver-DEN to Philadelphia-PHL to meet my parents. 
 agent: Sure, can I know the travel dates please? 
 customer: My departure dates is on 06/08 and return on 06/10. 
 agent: Ok, wait a moment please. 
 customer: Ok. 
 agent: There is a flight in JetBlue airline with price 100, can I book it? 
 customer: Please proceed for booking. 
 agent: Your ticket has been booked with flight number 1018. 
 customer: Thank you for your help. 
 agent: You are welcome.
answer:
book


question:
customer: Hello. 
 agent: Hello. By what way can I oblige you at this moment? 
 customer:  I am Anna Harris want to visit Washington to meet my nephew. 
 agent: Ok. Can I have your landing point? 
 customer: I will depart to DC-IAD. 
 agent: May I know, when you are willing to travel? 
 customer: My travelling dates are 05/26 and 05/28. 
 agent: What is your other airport code? 
 customer: I will depart from TX-AUS. 
 agent: Please mention, if you have any specifications. 
 customer: I need a connection flight. 
 agent: Thanks for your details. You have no flights that matches with your information. 
 customer: Thank you for providing information. 
 agent: Thank you for choosing us, have a pleasant day.
answer:
no_flight