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 can I assist you? 
 customer: Can you help me to cancel my existing reservation due to financial issues? 
 agent: Sure, I am here to help you. May I know your name? 
 customer: I am Cynthia white. 
 agent:  I have checked in reservation list to cancel your ticket, but could not find any reservation with your name. 
 customer: That's ok, thank you for giving information. 
 agent: Thank you for choosing us.
A:
no_reservation