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: Hi.
agent: Hello. How may I assist you today?
customer: Can you please book my flight ticket from EWR to MSP?
agent: Sure, I will help you. On which dates do you want to travel?
customer: My trip dates are 04/13 and 04/15.
agent: Could you please provide your name to book your flight ticket?
customer: Myself Dennis Brown.
agent: Ok, please hold on a moment to check the flights availability.
customer: Ok.
agent: Based on your information, flight number 1018 from Frontier airlines with 1 connection with the fare of 300 is available for you. Shall I proceed with this?
customer: Can you please search a flight ticket with price 200 or otherwise don't confirm this ticket.
agent: Sorry to inform you that, there are no flights available with in that budget.
customer: Ok, fine thank you for searching a flight ticket for me.
agent: Thank you for approaching us, have a great day.
[EX A]: no_flight

[EX Q]: customer: Hello,.
agent: Hello, How may I assist you today?
customer: My friends house warming function was postponed due to under construction. So I want to cancel my recent reservation.
agent: Sure, May I know your name please?
customer: Sure. I am Virginia Turner.
agent: Ok, please wait for a minute, I will check and let you know.
customer: sure.
agent: Thanks for your patience. Unfortunately, there is no reservation found with your name.
customer: Ok, no problem.
agent: Thank you for approaching us.
customer: Thank you for assisting me.
[EX A]: no_reservation

[EX Q]: customer: Hello, I am Elizabeth Turner.
agent: Hello, how can I assist you today?
customer: Can you book a flight ticket?
agent: Sure, May I know your journey details?
customer: There is one of a kind art museum in Seattle, And I am art lover. So please book a ticket from TX - IAH to WA - SEA. Dates are 07/05 to 07/07.
agent: Thank you for the details provided. Please wait a moment, I will check the availability and get you back.
customer: Ok. My price is 1000 and one connection please.
agent: Thank you for waiting, We found Spirit with flight number 1025 and price is 200 matches your requirement. Shall I proceed for booking?
customer: Please book this flight.
agent: Your booking has been confirmed. Thank you for opting us, Have a great journey.
customer: Thank you.
[EX A]:
book