Teacher: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
Teacher: Now, understand the problem? Solve this instance: customer: Hello, I am Paul Scott. 
 agent: Hello, how may I assist you? 
 customer: I am a cricket player, due to heavy rains my cricket match got cancelled, so can you please help me out with cancellation? 
 agent: Sure, please wait a moment, I will check and get back to you. 
 customer: Sure. 
 agent: Thanks for waiting, we found a reservation on your name. Shall I proceed for cancellation? 
 customer: Please proceed. 
 agent: Your ticket has been cancelled. 
 customer: Thank you for your service. 
 agent: Thanks for choosing us.
Student:
cancel