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

Example Input: customer: Hi. I am Edward Hall.
agent: Hello. How can I help you today?
customer: I want to conduct a sports festival at Seattle. Can you help me in finding a flight with 1 connection?
agent: Sure, I am glad to help you.
customer: Thank you.
agent: Please share your travelling dates.
customer: My journey dates are from 06/25 to 06/27.
agent: Please provide your airport codes?
customer: It is a round trip, my airport code is Seattle, WA - SEA.
agent: Ok, please wait for a while.
customer: Ok.
agent: Thanks for waiting, flight- 1014, airline- Southwest, price- 100 with connection matches with your requested details.
customer: Proceed with my booking.
agent: Ok, your ticket has been booked.
customer: Thank you for your help.
agent: Thanks for choosing us.
Example Output: book

Example Input: customer: Hi.
agent: Hello,.
customer: I am Amy Mitchell.
agent: How may I be of your help?
customer: I need to go to New York to attend Culture, Heritage and Folk festivals, can you make a reservation on 01/24?
agent: Sure, we are glad to help you.
customer: Thank you.
agent: Please provide your boarding and landing airport codes?
customer: I want to fly from Los Angeles, CA - LAX to reach NY - LGA.
agent: How much you can afford for a flight ticket?
customer: I would like to return on 01/26.
agent: Ok.
customer: I can afford up to 5000.
agent: We found a connecting flight with flight number 1028. Shall I confirm your booking?
customer: Please reserve.
agent: Your flight ticket is processed from an UA airlines.
customer: Thank you.
agent: Thanks for availing us. Your E ticket will be sent to your registered mail id.
Example Output: book

Example Input: customer: Hello.
agent: Hello. How can I help you today?
customer: Myself Kevin Wright, I have a business meeting in Detroit. Can you please help me to book my ticket from AUS to DTW?
agent: Sure, can I know your preferred dates of travel?
customer: My planned dates are from 06/26 to 06/28.
agent: There is a flight available on your given dates, ticket price is 100 only. Shall I book the ticket?
customer: Sure, you can proceed for booking my ticket.
agent: Your ticket has been booked successfully with Delta airline and the flight number is 1020.
customer: Thank you for booking my ticket.
agent: Thank you for choosing us, have a safe journey.
customer: You are welcome.
Example Output:
book