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: Hi. 
 agent: Hello. How can I aid you? 
 customer: I am Kevin Phillips. I want to cancel my reservation as my project got ramp down. Can you help me with that? 
 agent: Sure, let me check your reservation details in our database. 
 customer: Ok. 
 agent: Sorry, I did not find any reservation by your name in our database. 
 customer: No problem, thanks for the information. 
 agent: Thank you for choosing us.
A:
no_reservation