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: Hi. 
 agent: Hello, how may I support you? 
 customer: Actually I have planned a trip to enjoy my weekend. But, unfortunately I have met with illness. So, I need to cancel my ticket. Can you help me with cancellation? 
 agent: Sure, I will help you. Can I have your name please? 
 customer: Donna Phillips, is my name. 
 agent: Ok, just a moment. 
 customer: Sure. 
 agent: Thanks for your time, no reservation was found based on your good name. 
 customer:  Ok, not a problem. Thanks for your kind information. 
 agent: Thank you for selecting us.
answer:
no_reservation


question:
customer: Hello, I am Edward Thompson. 
 agent: Hello, How can I assist you? 
 customer: I am planning for a holiday vacation at Boston, can you please book a flight ticket? 
 agent: Sure, May I know the travel date details? 
 customer: I want to travel on 04/06 and arrival is on 04/08. I do not need connections in between my journey. 
 agent: May I know the source and destination details? 
 customer: My journey starts from Oakland, CA-OAK to Boston, MA-BOS. 
 agent: Sorry, There is no direct flight. Thank you for availing us. 
 customer: Thank you.
answer:
no_flight


question:
customer: Hello. 
 agent: Hello, how may I help you today? 
 customer: I want to change my recent reservation. Can you help me out? 
 agent: Sure, may I know your name? 
 customer: I am Jacob Robinson. 
 agent: Please wait for couple of minutes. 
 customer: Ok. 
 agent: Sorry, we couldn't find a reservation on your name to change. 
 customer: That's ok. Anyways, thank you. 
 agent: Thank you for reaching us.
answer:
no_reservation