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, I am Laura Collins.
agent: Hello, how can I aid you today?
customer: As I am a scientist, I want to attend Science Festival with my students at Minneapolis & St. Paul, MN - MSP.
agent: Ok.
customer: Can you please help me for booking a ticket on 10/16?
agent: Sure, May I know your price limit?
customer: I can afford up to 200.
agent: When you are willing to return?
customer: I intend to return on 10/18.
agent: Help me with your source airport code to proceed further.
customer: My source is New York, NY - LGA.
agent: Thanks for being patience, there is a flight available with Delta airline, flight number 1004 with fare 200 and a lay by. Shall I proceed to reserve?
customer: Ok, you can proceed for booking.
agent: Your reservation has been done successfully.
customer: Thank you.
agent: Thank you for reaching us.
book

customer: Hello.
agent: Hello, how may I assist you?
customer: I am Justin Lee. Can you help booking a flight ticket from LGA to ATL?
agent: Sure, may I know your planned travel dates please?
customer: I will start on 01/03 and return on 01/05.
agent: Would you like to travel in a connecting flight or a direct flight?
customer: I am comfortable with any flight.
agent: Do you have any other specifications?
customer: I need to depart in the morning time.
agent: Sorry, there is no flight available on your requested dates.
customer: No problem, thank you for the information.
agent: Thank you for reaching us.
no_flight

customer: Hello.
agent: Hello.
customer: I am Donna Hernandez.
agent: How may I assist you?
customer: I need a direct flight for my journey to attend an important meeting, can you please hep me in flight ticket booking from ORD to JFK?
agent: Sure, I will help you in flight ticket booking.
customer: Thank you and my travel dates are 03/07 and I will catch the return flight on 03/09.
agent: Ok, wait for a moment please. While I am checking for the flights available.
customer: Sure, I will wait for your response.
agent: Thanks for waiting. I have found Delta airlines which flies with one connection.
customer: Yes, please proceed with flight ticket booking.
agent: Yes, I have confirmed your flight ticket with flight number 1012.
customer: Thank you for your help in my flight ticket booking.
agent: Thank you.
customer: Welcome.
book