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, I am Linda Robinson. 
 agent: Hello, how can I help you today? 
 customer: I would like to travel to SFO from OAK to celebrate flowers festivals. can you please help me to book a ticket? 
 agent: Sure, help me with your travelling dates? 
 customer: My travelling dates will be on 01/08 to 01/10. 
 agent: Ok, any specific requirements? 
 customer: I need a connecting flight. 
 agent:  Ok, flight- 1005, airline- Southwest, price- 200 with connection-1 matches your requested details. 
 customer: You can proceed to booking. 
 agent: Ok, your ticket has been processed. 
 customer: Thank you. 
 agent: Thank you for opting us.
Output:
book