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

customer: Hi, I am Samantha Campbell. 
 agent: Hello, how can I support you now? 
 customer: Please book me a direct flight to San Francisco to meet my uncle. 
 agent: Sure, may I know your travelling dates? 
 customer: I want to fly on 11/14 and will return on 11/16. 
 agent: Where are you travelling from? 
 customer: Its from FL-MCO to CA-SFO. 
 agent: Is there any price limit for you? 
 customer: I can pay up to 200. 
 agent: Ok, please wait a moment. 
 customer: Ok. 
 agent: Sorry there is no direct f;light found on your journey dates. 
 customer: It's o, thank you. 
 agent: Thanks for choosing us and have a great day.
no_reservation

customer: Hello. 
 agent: Hello, how may I render you today? 
 customer: I need your help to book a flight from IAD to DCA. 
 agent: Sure, we are here to help you. Please let me know your connection limit? 
 customer: Thank you. I am looking for a flight with single connection. 
 agent: May I know your good name? 
 customer: Myself Sarah Hall. 
 agent: Could you please share your journey dates? 
 customer: Sure, I want to travel on Apr 26 and need to return on Apr 28. 
 agent: Are there any more specifications? 
 customer: My depart time must be in the evening. 
 agent: We found a connecting flight 1007 from Hawaiian airline has fare 100 and departure time is 2:00 hours. 
 customer: Ok, please proceed. 
 agent: Your booking has been processed. 
 customer: Thank you. 
 agent: Thank you for choosing us.
book

customer: Hello. 
 agent: Hello. How may I assist you today? 
 customer: I am planning to book a ticket from DTW to MCO, can you please help me out? 
 agent: Sure, I will help you. Please let me know with your name. 
 customer: Christopher Turner here. 
 agent: Please help me with your planned travelling dates. 
 customer: I am travelling on these dates Feb 21st and 24th. 
 agent: Christopher Turner, just to confirm. Please help me with your arrival date of journey. 
 customer: I am confirming my travelling dates on Feb 22nd and 24th. 
 agent: Thank you for the confirmation. Do you need a direct or connecting flight? 
 customer: I need single connected flight. 
 agent: Do you have any other preferences in your journey? 
 customer: I don't have any other preferences. 
 agent: Christopher Turner, I am really sorry to inform you that there are no active flights available for your journey. 
 customer: Ok no problem, thank you for your services. 
 agent: Thank you for reaching us. Have a great time.
no_flight