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, I am Rachel Wright. 
 agent: Hello, how can I be your helping hand? 
 customer: I want to change my existing reservation due to some health issues, can you please help me with that? 
 agent: Sure, I am here to help you. Please wait for a while, I will check your reservation. 
 customer: Sure. 
 agent: Thank you for being patience, there is no reservation found on your name. 
 customer: Ok, not an issue. Thank you for your information. 
 agent: Thank you for approaching us.
answer:
no_reservation


question:
customer: Hello, I am George Baker. 
 agent: Hello, how can I aid you? 
 customer: I would like to attend a meeting with my client at Washington, IAD. Can you please help me in booking on 12/14 and 12/16? 
 agent: Sure, may I know your source airport? 
 customer: My source point is Denver, DEN. 
 agent: Let me know your connection limit. 
 customer: I need a connected flight. 
 agent: Sorry, no flights found with your given dates. 
 customer: Ok, no problem. Thank you. 
 agent: Thank you for choosing us.
answer:
no_flight


question:
customer: Hello. 
 agent: Hello, how can I help you? 
 customer: Can you please help me to make a reservation from MSP to EWR? 
 agent: Sure, please provide your travelling dates. 
 customer: I want to travel on June 12 and June 14. 
 agent: Ok, please let me know your connection limit. 
 customer: I need a single connecting flight. 
 agent: Ok, Do you have any class preference? 
 customer: No. 
 agent: Ok, Is there any other preferences? 
 customer: No. 
 agent: Thank you for providing details, we did not find any flights with your given details. 
 customer: Ok, not a problem. Thank you. 
 agent: Please mention your name. 
 customer: My name is Donna Wilson. 
 agent: Thank you for choosing us. 
 customer: Welcome.
answer:
no_flight