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: Hi. 
 agent: Hello, how may I aid you today? 
 customer:  I want to cancel my reservation as my project got ramp down. Can you help me with that? 
 agent: Sure, I am here to help you with this. May I know your good name please? 
 customer: Thank you. I am Paul Hernandez. 
 agent: Please wait for a moment. 
 customer: Sure. 
 agent: Sorry Paul, there is no active reservation found on your name to cancel it in your database. 
 customer: Ok, no issues. Thanks for the information. 
 agent: You are welcome.
Output:
no_reservation