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
Problem:customer: Hello. Myself Sarah Hall. 
 agent: Hello, how may I guide you? 
 customer: I would like to cancel my recent reservation due to some personal issues, will you help me with that? 
 agent: Sure, please wait for a moment. 
 customer: Ok, I will wait for your response. 
 agent: Sorry, there is no reservation found on your name in our database to cancel. 
 customer: Ok, not an issue. 
 agent: Thank you for approaching us. 
 customer: Thank you for your information.
Solution:
no_reservation