Detailed Instructions: 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
Problem:customer: Hello. 
 agent: Hello. How can I assist you at this moment? 
 customer: I want to cancel my reservation as I have to prepare for my exam, can you please help me with that? 
 agent: Sure, I will help you with this. 
 customer: Thank you. 
 agent: Can you please provide your name to check your reservation status? 
 customer: My name is Nicholas Scott. 
 agent: Nicholas Scott, there is no active reservation found under your name in our database. 
 customer: That's fine, thank you for checking. 
 agent: Thank you for contacting us.
Solution:
no_reservation