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

[EX Q]: customer: Hi. 
 agent: Hello, how may I help you? 
 customer: Unfortunately I have an emergency meeting so I want to cancel my reservation, can you please help in cancelling my reservation? 
 agent: Sure, I will help you. 
 customer: Thank you. 
 agent: May I know your good name please ? 
 customer: I am Emma Young. 
 agent: Please wait for a while. 
 customer: Ok. 
 agent: Sorry, there is no reservation found on your given name. 
 customer: Ok, no problem. Thank you for your quick response. 
 agent: Thanks for choosing us.
[EX A]: no_reservation

[EX Q]: customer: Hi. I am Samuel Baker. 
 agent: Hello, how may I assist you today? 
 customer: I want to change my reservation owing an emergency. 
 agent: Sure, we are glad to serve you. Please wait for a while, let me check your reservation with us. 
 customer: Ok. 
 agent: Thanks for your time, unfortunately no reservation found with your name. 
 customer: Ok, thank you for your service. 
 agent: Thank you for availing us, have a great day ahead.
[EX A]: no_reservation

[EX Q]: customer: Hi. 
 agent: Hello, how can I help you? 
 customer: I am Laura Turner. Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to change my reservation. Can you help me? 
 agent: Sure, please wait a minute. 
 customer: Ok. 
 agent: Sorry, there is no reservation found with your name. 
 customer: No issue. Thank you. 
 agent: Thank you for reaching us.
[EX A]:
no_reservation