instruction:
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
question:
customer: Hello. 
 agent: Hello, how may I help you? 
 customer: I already have an reservation to attend a meeting, due to some problems meeting place has been changed. So I need a few changes in my reservation, Can you please help me in this? 
 agent: Sure, I will help you. May I know your name please? 
 customer: Myself Robert Edwards. 
 agent: Ok, please wait for a while. 
 customer: Ok. 
 agent: Sorry Robert, there is no active reservation found with your name in our records. 
 customer: It's ok, thank you. 
 agent: Most welcome.
answer:
no_reservation


question:
customer: Hi. 
 agent: Hello. How can I assist you? 
 customer: Due to some issues, I am willing to change my existing reservation. Can you please help me for this? 
 agent: Sure, can I know your name please? 
 customer: I am Rebecca Lee. 
 agent: Ok, wait a moment please. 
 customer: Sure. 
 agent: Sorry, there is no reservation found on your name. 
 customer: Oh! It may not be booked properly due to some technical issues while booking. Thank you for checking. 
 agent: Thank you for approaching us.
answer:
no_reservation


question:
customer: Hi. 
 agent: Hello, how may I help you today? 
 customer: I want to change my flight reservation as I am unwell, can you please help me? 
 agent: Sure, we are perky to help you. 
 customer: Thank you. 
 agent: May I know your good name? 
 customer: My name is Susan Campbell. 
 agent: There is no reservation found on your name in our database. 
 customer: No problem, thank you for checking. 
 agent: Thank you for availing us.
answer:
no_reservation