You will be given a definition of a task first, then some input of the task.
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 assist you today?
customer: I am Christine Smith want to travel to DC-IAD to meet my friends from CA-LAX. Can you book a connecting flight?
agent: Sure, I am here to help you but I need your travel dates to search available flights for you.
customer: My travel dates are 08/10 and 0812.
agent: Please wait for a minute, let me check.
customer: Ok.
agent: Based on your request there is a flight with airline AA and price is 100. Shall I proceed?
customer: Ok, you can confirm my booking.
agent: Your ticket has been booked with your name and flight-1002.
customer: Thank you for booking.
agent: It's my pleasure, have a great journey.
Output:
book