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: My name is Brandon Jones, I want to cancel my reservation as my plan to attend family meeting at New York is cancelled. Can you help me with that? 
 agent: Sure, I will help you. Please give me a minute. 
 customer: Sure. 
 agent: Thanks for being patient, there is no active reservation found on your name. 
 customer: Ok, thank you for the information. 
 agent: Thank you for approaching us, have a good day.
no_reservation