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

[EX Q]: customer: Hello. 
 agent: Hello, how may I help you? 
 customer: My name is Amanda Jackson. 
 agent: OK. 
 customer: I want to attend flower festival at Detroit, DTW. Can you help me in booking a flight ticket? 
 agent: Sure, please provide your dates of journey? 
 customer: My dates are 08/30 to 09/01. 
 agent: Ok, your boarding airport please? 
 customer: My boarding point is PHX. 
 agent: Ok, wait a moment. 
 customer: Sure. 
 agent: A flight in Hawaiian airline is available for you with fare 200. Shall I confirm 1000 flight? 
 customer: Ok, Confirm. 
 agent: Your ticket has been booked successfully. 
 customer: Ok, Thank you. 
 agent: Thanks for reaching us, have a nice day.
[EX A]: book

[EX Q]: customer: Hello. I am Joshua Collins. 
 agent: Hello, how can I help you today? 
 customer: Can you please book a flight ticket from DTW to JFK? 
 agent: Sure, I will help you with it. Please share me your planned travel dates to proceed further. 
 customer: Thank you. Sure, I need to travel on dates of Sept 21 and Sept 23. 
 agent: Do you prefer any specific time for you depart and return? 
 customer: Yes, I would like to depart in morning time only. 
 agent: Please let me know if you have any other preferences. 
 customer: I need connection 1 so please check with that. 
 agent: Thank you for providing all the essential details, please wait for a while. 
 customer: Sure, I am happy to wait for your response. 
 agent: We are sorry to inform you that we don't have any flight available in the morning time on given dates by you. 
 customer: Oh! It is sad to hear. Anyway, thank you for your time. 
 agent: Thank you, looking forward to serve you better next time. 
 customer: Most welcome.
[EX A]: no_flight

[EX Q]: customer: Hi. 
 agent: Hello. How can I assist you for the day? 
 customer: Find a flight for me from IAD to ATL. 
 agent: Sure, I will help you with that. May I know your travelling dates? 
 customer: Ok, my journey dates are from June 07 to 09. 
 agent: Do you have any class preference? 
 customer: No, I would like to depart in the evening. 
 agent: Can I know your connection limit? 
 customer: I need a direct flight. 
 agent: Sorry to say that, there is no direct flight on this route as per your travel dates. 
 customer: It's ok, thank you. 
 agent: May I know your name please? 
 customer: Ok, I am Ashley Walker. 
 agent: Thank you for giving the information,. 
 customer: Welcome. 
 agent: Have a great day.
[EX A]:
no_flight