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
Q: customer: Hello. 
 agent: Hello, how may I help you today? 
 customer: Due to heavy rains in my location, I would like to cancel my reservation. 
 agent: Sure. Please provide me your name for verifying the status. 
 customer: My name is Michelle Green. 
 agent: Green, there is no reservation found with your details. 
 customer: Ok, no issues. Thank you for the information. 
 agent: You are welcome.
A:
no_reservation