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

customer: Hello.
agent: Hello, how may I help you?
customer: I want to change my reservation, can you help me with that?
agent: I can help you, can I know your name?
customer: Sure, Deborah Nelson here.
agent: Ok, please wait for a while.
customer: Sure.
agent: Sorry Nelson, there is no active reservation found with your name.
customer: Oh, it's very sad to hear from your side. Thanks for the information.
agent: My pleasure.
no_reservation

customer: Hello.
agent: Hello. How may I aid you today?
customer: My name is Roberts Collins, I want to book a connecting flight to meet friend at Houston. Can you book a flight from NY-JFK to TX-HOU?
agent: Sure, when are you planning to start and return on?
customer: I will fly on 07/09 and return on 07/11.
agent: Thank you for your details, there are no flights found with the given details.
customer: Thank you for the information.
agent: Thank you for contacting us.
no_flight

customer: Hello.
agent: Hello, how may I oblige you today?
customer: My name is Helen Young, I want to book a flight from TX-HOU to Denver, CO-DEN to meet my sister. Can you book a connecting flight for me?
agent: When you are willing to travel?
customer: I will fly on 11/30 and return on 12/02.
agent: Please wait for a moment.
customer: Sure.
agent: We found 1002 Southwest airlines with single connection with price 100.
customer: Please proceed with booking.
agent: Your, booking has been confirmed.
customer: Thank you for helping me with booking.
agent: Thank you for reaching us.
book