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

[EX Q]: customer: Hello.
agent: Hello, how can I help you?
customer: I want to travel from EWR to AUS. My travelling dates are from 07/14 to 07/16.
agent: Ok, please wait for a moment.
customer: Make sure that there is 1 connection.
agent: Sorry, there are no flights available regarding your journey.
customer: That's ok.
agent: Do you want any other information please? Ok. Thank you and have a nice day. May I know your name please?
customer: Gary Allen here. Thank you for your support.
[EX A]: no_flight

[EX Q]: 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.
[EX A]: book

[EX Q]: customer: Hi.
agent: Hello. How can I help you?
customer: I want to book a ticket from DCA to CLT, can you help me?
agent: Yes, I can help you. Could you share me your travelling dates?
customer: My travel dates are 06/14 and 06/16.
agent: Give me a moment.
customer: Ok.
agent: I have found a flight ticket with a price of 200 and 1 connection.
customer: Book the ticket in the name of Catherine Roberts.
agent: Ok, your ticket is booked.
customer: Thank you for booking.
agent: Thank you for consulting us.
[EX A]:
book