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

Input: Consider Input: customer: Hello.
agent: Hello. How can I assist you now?
customer: I want to book a ticket from DEN to IAD to attend seminar, can you help me in booking?
agent: sure, I am happy to help you with that. Can I have your travel dates please?
customer: I am departing on Mar 10 and return on Mar 12.
agent: Ok, please let me know the timings of your journey.
customer: I do not have any time preferences.
agent: Do you prefer any specific class to travel?
customer: I do not have any class preference.
agent: Are you looking for any connecting flight or direct flight only you want?
customer: I prefer a connecting flight.
agent: Can I have your good name please?
customer: My name is Matthew Campbell.
agent: Ok, please wait a moment.
customer: Sure.
agent: UA airlines running a direct flight in your route which can provide a ticket with fare 200 in economy class. Are you ok with this flight?
customer: Please proceed for booking.
agent: Ok Matthew Campbell, your ticket booking has done and the flight number is 1001.
customer: Thank you for your help.
agent: Thank you for choosing us, have a great journey.

Output: book

Input: Consider Input: customer: Hello.
agent: Hello, how may I serve you at this moment?
customer: Myself Kenneth Parker, I have to attend my friend marriage at Charlotte. Can you please help me in reserving the ticket from MCO to CLT?
agent: Sure, I will help you. Please send your travelling dates.
customer: I am willing to leave on Oct 02 and again I will rertrieve on Oct 04.
agent: Do you have any limitations?
customer: I mostly prefer for single connection. Can you please check for this?
agent: There is a direct flight available with AA airline, shall I book it?
customer: Yes, please go ahead and reserve the ticket.
agent: Your booking is done with flight number 1026. Happy journey.
customer: Thank you very much for reserving the ticket.
agent: You are welcome, have a nice day.

Output: book

Input: Consider Input: customer: Hello.
agent: Hello, how may I assist you today?
customer: I would like to meet my business partner at Chicago, please help me in booking a ticket from HOU to ORD.
agent: Sure, we are here to help you.
customer: Thank you.
agent: Can you share me your trip dates?
customer: My planned trip dates are on Nov 25 and Nov 27.
agent: Do you need any way station in your journey?
customer: Yes, I need a connecting flight.
agent: Is there any class preference for you?
customer: Any class is comfortable for my trip.
agent: We found a connecting flight with fare of 100 and 1007 flight number. Shall I proceed?
customer: Ok, please book the ticket with the name Lisa Harris.
agent: Your seat has been reserved with Jet Blue airline in economy class.
customer: Thank you for your assistance.
agent: Thank you for availing us.
Output: book