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. 
 agent: Hello, how can I serve you? 
 customer: Due to bad weather my trip has been cancelled. Can you please cancel my recent reservation? 
 agent: Sure, may I know your good name please. 
 customer: My name is Anna Johnson. 
 agent: Please wait for a moment. 
 customer: Sure. 
 agent: Thanks for waiting, sorry to say that, no reservation was found with your good name. 
 customer: No problem. Thanks for your information. 
 agent: Thanks for opting us. Have a nice day.
Solution:
cancel