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

Q: customer: Hi, I am Jerry Lopez.
agent: Hello, how can I help you today?
customer: Could you please reserve me a flight ticket to Houston, TX - IAH from Denver, CO - DEN?
agent: Sure, we are here to help you.
customer: Thank you.
agent: Kindly mention your travel dates.
customer: My travel dates are 07/06 - 07/08.
agent: How much can you afford for this journey?
customer: I can afford up to 500 only.
agent: Ok, please wait a moment.
customer: Sure.
agent: There is a flight with your requirement, airline is AA with price 200 and single connection. Shall I proceed with booking?
customer: Please reserve.
agent: Your booking is done and flight number is 1026.
customer: Thank you.
agent: Thanks for reaching us.

A: book
****
Q: customer: Hi. Nicole Robinson here.
agent: Hello. How may I assess you?
customer: I am Nicole Robinson need to visit Philadelphia to discuss security issues with the government officials there. So can you book a flight ticket for me?
agent: Sure, I can help you with the flight ticket booking. Can you please provide me your origin and destination airport codes?
customer: Sure. My airport codes for boarding the flight are JFK to PHL.
agent: Ok, on which dates you are willing to travel?
customer: My preferable dates for travel are 04/20 to 04/22. The price limit is less than 500.
agent: Ok, just a minute. I will check the flight for you and let you know the flight details.
customer: Sure.
agent: The Hawaiian airlines is providing the service in this route which is having a connection limit 1 and the price is 100 only. Can I book your ticket with this flight?
customer: I am happy with the airlines. You can book it.
agent: Ok, I have booked your ticket with the above mentioned airlines and the flight number is 1029.
customer: Thank you.
agent: You are most welcome. Thank you for reaching us. Have a safe flight.

A: book
****
Q: customer: Hello.
agent: Hello. How can I assist you?
customer: I want to attend my brother wedding, could you please book my ticket?
agent: Ok, help me with the travelling details.
customer: I would like to move from EWR on 11/13.
agent: Can I know the destination code with date?
customer: My destination airport code is IAH and return date on 11/15.
agent: May I know your name?
customer: Sure, my name is Stephen Hill.
agent: There is a flight with airline Southwest and fare is 200. Can I book it?
customer: Ok, please book my ticket.
agent: Your ticket is booked with number 1007. Have a safe flight.
customer: Thank you for helping me.

A:
book
****