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: Hi,. 
 agent: Hello. 
 customer: I am Amanda Phillips. 
 agent: How may I aid you today?Amanda Phillips. 
 customer: I need to cancel my recent reservation due to my illness. 
 agent: Ok. 
 customer: Will you help me in cancelling my ticket? 
 agent: Sure, I will check with flights reservation list and revert to you. 
 customer: Sure. 
 agent: Thanks for your time. No reservation was found. 
 customer: Ok, no problem. Thank you for sharing the information. 
 agent: Thank you for choosing us.
A:
no_reservation