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

customer: Hi. 
 agent: Hello. 
 customer: My name is Eric Wilson. 
 agent: Eric, how can I help you? 
 customer: Due to heavy rains in my existing location, I want to cancel my reservation. Could you help me in cancellation of ticket? 
 agent: Sure, I will help you. Please wait for a while, I will check your reservation status and get back to you. 
 customer: Ok, take your time. 
 agent: Wilson, I did not find any reservation by your name in our database. 
 customer: That's fine, no problem. Thank you for helping me. 
 agent: You are welcome and thank you for choosing us.
no_reservation

customer: Hi. 
 agent: Hello. How may I help you? 
 customer: I want to change my reservation due to health problem, can you help me? 
 agent: Yes, I am here to help you. Let me know your name please. 
 customer: Myself George Edwards. 
 agent: Edwards, please wait for a while. I will check your reservation status and get back to you. 
 customer: Ok. 
 agent: Edwards, I have not found any reservation by your name in our database. 
 customer: No problem, thanks for checking. 
 agent: You are most welcome and thank you for contacting us.
no_reservation

customer: Hello. 
 agent: Hello. 
 customer: Myself Ryan Jackson. 
 agent: I am here to assist you, may I know your concern? 
 customer: For some issues I want to change my reservation, can you please help me? 
 agent: Sorry, there is no reservation been found on your name. 
 customer: It's ok. Thank you for the information. 
 agent: Thank you for choosing our agency.
no_reservation