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 can I assist you? 
 customer: I need to cancel my ticket due to sudden change in my trip, can you aid me in cancellation process? 
 agent: Sure, I am here to aid you. May I know your name please? 
 customer: Amanda wright. 
 agent: Ok, please wait a minute. 
 customer: Ok. 
 agent: Thank you for waiting, sorry no reservation found on your name. 
 customer: No problem, thank you for searching. 
 agent: Thank you for reaching us, have a nice day.
answer:
no_reservation


question:
customer: Hello. 
 agent: Hello, how may I help you? 
 customer: I have to change my reservation due to my planned trip got postponed. So  please help me with that. 
 agent: Sure, please share your good name? 
 customer: Thank you. Please check the reservation with my name Thomas Taylor. 
 agent: Please wait for a while. 
 customer: Sure, take your time. 
 agent: Sorry, no reservation found on your given name. 
 customer: Oh! It may not be booked properly. Anyway, thank you for your time. 
 agent: Thank you for choosing us. 
 customer: Most welcome.
answer:
no_reservation


question:
customer: Hello. 
 agent: Hello, how may I help you? 
 customer: I am John Rodriguez, can you help me to cancel my ticket? 
 agent: Sure, hold on for a moment. 
 customer: Take your time. 
 agent: Sorry John, there are no flights reserved on your name. 
 customer: No issues. Thank you for checking. 
 agent: Welcome. Thank you for choosing us. 
 customer: You are welcome.
answer:
no_reservation