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 help you?
customer: I am Elizabeth Anderson. I am planning to visit Magic Kingdom at Orlando, could you please help me with booking a flight ticket from LAS to MCO?
agent: Yes, I can help you. Can you share me your travelling dates?
customer: I would like to take off on 05/27 and return on 05/29.
agent: Give me a moment.
customer: Sure, take your time.
agent: I have found a flight ticket with a price of 100 and 1 connection.
customer: Please confirm the booking.
agent: Ok, your ticket is booked.
customer: I really appreciate your help, thank you for your service.
agent: Thank you for contacting us.

Output: book

Input: Consider Input: customer: Hello.
agent: Hello.
customer: I am jonathan Miller.
agent: How can I assist you?
customer: My trip has been cancelled? Could you cancel my reservation?
agent: Yes, sure. Give me a moment.
customer: Ok.
agent: Jonathan Miller there is no reservation as per your name.
customer: It's ok. Thank you for your service.
agent: Thank you for choosing us.

Output: no_reservation

Input: Consider Input: customer: Hello.
agent: Hi. How can I help you?
customer: I am Robert Clark. I would like to reach Washington DC on a vacation trip, so can you please book a flight ticket?
agent: Sure, may I know your travel codes please?
customer: Airport codes are IAH and IAD.
agent: May I know your date of travelling please?
customer: My trip dates are 06/24 and 06/26. Please check connection as 1 with price 200.
agent: Hawaiian airlines is matching your request with 1025 flight number.
customer: Ok, please proceed with booking.
agent: Can I book the flight ticket for you?
customer: Ok.
agent: Your ticket was confirmed.
customer: Thank you for booking.
agent: Thank you have a safe journey.
Output: book