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.
customer: Edward Young here.
agent: How may I assist you today?
customer: I would like to visit New York to meet my old friend there, so can you please help me out with booking of a flight ticket?
agent: Sure, when would you like to fly?
customer: I would like to fly on 08/13 and please book a return ticket on 08/15.
agent: Ok, please provide your airport codes that you want to travel.
customer: Sure, I want to travel from AUS to JFK.
agent: Please give me a moment.
customer: Sure, take your time to check. Please ensure that flight should be with single connection.
agent: Thank you for waiting.
customer: No problem.
agent: There is no flights found as per your requested details.
customer: Oh! so sad to hear. Anyway, thank you for the information.
agent: Welcome, have a great day.
[EX A]: no_flight

[EX Q]: customer: Hi.
agent: Hello, how may I lend a hand to?
customer: I need to change my existing reservation as my trip got postponed, Can you please help me with that?
agent: Sure, I am here to help you for this. Could you please mention your name?
customer: Kevin Williams here.
agent: Please wait for a while, let me check your reservation status in our records.
customer: Sure.
agent: Sorry for inconvenience, no reservation is found with your criteria.
customer: Ok, no problem. Thanks for your information.
agent: Thank you very much for contacting our agency.
[EX A]: no_reservation

[EX Q]: customer: Hello.
agent: Hello, do you need any help from us?
customer: Can you please make a reservation from PHX to EWR to attend a conference in New York?
agent: Sure, could you please share your departure and arrival day?
customer: My depart and arrival dates are, Aug 6th and 8th.
agent: Ok, could I have your name please?
customer: My name is Carolyn Martinez.
agent: Ok, do you need direct or connecting flight?
customer: I need a connecting flight.
agent: Ok, do you have any other specifications?
customer: No.
agent: The economy class with flight number 1028 of American Airline is available having fare as 100 and connection as 1, is it ok for you?
customer: Ok, proceed with this airlines.
agent: Ok, your reservation is confirmed. The departure time is 14:00 hours and the arrival time is 0:00 hours.
customer: Thank you for your help.
agent: You are welcome, have a great day.
[EX A]:
book