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 can I help you?
customer: I am Gregory Allen. I want to attend a live music concert in EWr, can you please find a flight from ORD?
agent: Sure, I will help you to book a flight. Can you please share me your travelling dates?
customer: I want to start my journey on 10/10 and my return will be on 10/12.
agent: Please hold on for a moment.
customer: Ok, take your time.
agent: Here, I found a flight for you with single connection. Shall I proceed for booking?
customer: Please proceed.
agent: Your ticket is booked with flight number 1000 and airline is Southwest.
customer: Thank you for booking.
book

customer: Hello.
agent: Hello. How may I assist you today?
customer: Can you aid me to book a flight ticket from AUS to LAX?
agent: Sure, I will help you. Please help me with your name.
customer: Myself Joshua Parker.
agent: Please help me with your planned travelling dates.
customer: I planned my trip on the dates Aug 6 and Aug 8.
agent: Do you need a break in between your journey?
customer: I am looking for a connecting flight.
agent: Do you have any other preferences in your journey?
customer: I prefer morning flight at the time of depart and also make sure I prefer economy class flight with normal cost airline.
agent: Sure, I will check with this preferences. Please allow me a minute.
customer: Sure.
agent: Joshua Parker, I am really sorry to inform you that there are no flights available for your journey.
customer: No issue, anyway thank you for checking.
agent: Thank you for reaching us. Have a great time.
no_flight

customer: Hello, I am Christine Carter.
agent: Hello, how may I serve you?
customer: I am planning to visit a Lincoln memorial at Washington, so can you book a ticket with a connecting flight?
agent: Sure, can you please share your journey points?
customer: My journey airport codes are from CA-LAX to DC-IAD.
agent: May I know your travel dates?
customer: My travel dates are 09/08 and 09/10.
agent: Do you have any price limit?
customer: My price limit is 200.
agent: Please wait for a while.
customer: Ok.
agent: We found a UA airline with flight number 1019. Single connection and fare is 100.
customer: You can proceed.
agent: Your booking has been done.
customer: Thank you for your service.
agent: Thank you for choosing us.
book