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 help you today? 
 customer: My holiday trip has been cancelled, could you please help me with cancelling my recent reservation? 
 agent: Sure, I am glad to help you with that. May I know your name? 
 customer: My reservation was done under the name Andrew Robinson. 
 agent: Sorry, no reservation found on your name to cancel your reservation. 
 customer: Ok, not an issue. Anyways, thank you for the information. 
 agent: Thank you for reaching us, have a great day.
Solution:
no_reservation