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 can I assist you today? 
 customer: My name is Janet Rodriguez. I have a plan to meet my friend in Seattle, can you help me for booking a flight ticket? 
 agent: Sure, I will help you in booking. Can you please help me with your travel dates? 
 customer: My travelling dates are from 03/30 till 04/01. 
 agent: Ok, may I know your airport codes? 
 customer: My travelling airport codes are from MCO to SEA. 
 agent: Here, I found a flight for you with 1 connection and fare is 100. Shall I proceed? 
 customer: Ok, please proceed for booking. 
 agent: Your booking is done with flight 1015 and airline is Spirit. 
 customer: Thank you for booking. 
 agent: Welcome, have a safe flight.
Output:
book