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: Hello.
agent: Hello. How can I help you?
customer: I have planned to book a flight on June 14th, so please help me in booking a flight.
agent: Sure, may I know your airport codes please?
customer: My airport codes are LAS - BOS.
agent: Your return journey date please?
customer: I intend to return on 16th June.
agent: Do you have any specifications?
customer: I would like to depart in morning time.
agent: Any thing else?
customer: I prefer an economy class.
agent: May I know your name please?
customer: Sure, my name is Daniel Moore.
agent: I am sorry no flights found your route.
customer: No worries, thank you.
agent: Thank you for choosing us.
no_flight

customer: Hello.
agent: Hello. How may I help you?
customer: I want to book a flight ticket from LAX to DTW, can you please help me?
agent: Sure, please share your itinerary dates.
customer: My trip dates are 02/28 and 03/01.
agent: Please hold on for a while.
customer: Ok, please make sure that the connection limit is 1.
agent: May I know your name?
customer: Yes, my name is Deborah Young.
agent: Sorry Young, no flight is available on your route.
customer: It's ok, thank you for searching.
agent: Thank you for contacting us.
no_flight

customer: Hello.
agent: Hello. How can I assist you at this moment?
customer: The event which I am going to attend has been cancelled, please help me in changing my existing reservation.
agent: Sure, I am happy to help you with that. Can I have the name on which you reserved earlier?
customer: My name is Edward Anderson.
agent: Ok, please wait a moment and I will check reservation status.
customer: Sure.
agent: Thank you for waiting. Sorry Edward, no reservation found under your name to cancel.
customer: Ok, no issue. Thank you for your information.
agent: My pleasure. Thank you for choosing us, have a great day.
no_reservation