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
Input: customer: Hi. 
 agent: Hello, how can I serve you now? 
 customer: I want to cancel my recent reservation due to illness. 
 agent: Sure, I will help you. May I know your name? 
 customer: I am Edward Thompson. 
 agent: Please wait for a moment. 
 customer: Ok. 
 agent: Thank you for waiting, Sorry to inform you there is no any reservation found on your name. 
 customer: Ok, no issue. Thanks for your response. 
 agent: Thank you, get well soon.
Output:
no_reservation