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: Hello, I am Jack Perez.
agent: Hello. How can I help you?
customer: I would like to visit Statue of Liberty in New York, so could you please book a ticket for me?
agent: Sure. I will help you to book a flight, can you please provide me your travelling dates?
customer: Sure, I would like to go on 11/09 and return back on 11/11.
agent: Ok, please share me your travelling airport codes.
customer: My source and destination airport codes are ORD and LGA.
agent: Give me a moment.
customer: Ok, ensure it is a single connecting flight.
agent: Sorry, there is no flight is found on your route with single connection.
customer: That's ok, thank you for checking.
agent: Welcome. Thank you for choosing us.
Example Output: no_flight

Example Input: customer: Hi.
agent: Hello, how may I render you today?
customer: I need to cancel my reservation for a client meeting but I have got a sudden call from my friend that one of my friend got met with an accident so I feel to cancel my reservation. Can you please help me out?
agent: Sure, may I know your good name?
customer: Patrick Carter here.
agent: I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.
customer: That's ok, thank you for your help.
agent: Thank you for choosing us.
Example Output: no_reservation

Example Input: customer: Hello.
agent: Hello. How may I assist you today?
customer: Due to some problems my trip was cancelled so can you please cancel my flight ticket?
agent: Sure, may I know your name?
customer: Sure, my name is Edward Brown.
agent: Sorry, there is no active reservation on your name.
customer: Oh! It's ok, no problem. Thank you for your information.
agent: Thank you.
Example Output:
no_reservation