TASK DEFINITION: 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 may I help you? 
 customer: I want to change my existing reservation, due to some personal work. Can you please help me with this? 
 agent: Sure, please wait for a while. 
 customer: Sure, I am Richard Hill. 
 agent:  Sorry, no active reservation found on your name in our data base. 
 customer: Ok, Thank you for your service. 
 agent: Welcome, thank you for reaching us.

SOLUTION: no_reservation

PROBLEM: customer: Hi. 
 agent: Hello, how may I serve you at this moment? 
 customer: Owing to an emergency, I want to cancel my recent reservation. Can you help me in that? 
 agent: Sure, we are here to help you. 
 customer: Thank you. 
 agent: May I know your name please? 
 customer: Sharon Wright. 
 agent: Ok, please be on hold. 
 customer: Ok. 
 agent: Sorry, we could not find any reservation on your name. 
 customer: Ok, no problem. Thank you. 
 agent: Thank you for approaching us.

SOLUTION: no_reservation

PROBLEM: customer: Hello, I am Kimberly Turner. 
 agent: Hello, what can I do for you today? 
 customer: I need to change my reservation as my get together program postponed. Can you help me? 
 agent: Sure, please wait for few minutes. 
 customer: Sure. 
 agent: There is no recent reservation found on your name in our data base. 
 customer: That's Ok, thanks for your assistance. 
 agent: Thank you for reaching us.

SOLUTION:
no_reservation