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 David King. 
 agent: Hello, how may I help you? 
 customer: As my manager did not approve my leave, I would like to change my reservation. 
 agent: Sure. Please let me a moment. 
 customer: Ok, take your time. 
 agent: Sorry, there is no reservation found on your name. 
 customer: That's ok, thank you for checking. 
 agent: Welcome. Thank you for reaching us. 
 customer: Welcome.
answer:
no_reservation


question:
customer: Hello. I am Sharon Johnson. 
 agent: Hello, how may I succor you? 
 customer: Can you please help me in flight ticket booking from SFO to LAS to attend a client meeting? 
 agent: sure, may I know when do you want to travel? 
 customer: Thank you and my travelling dates are 09/19 and back on 09/21. 
 agent: Ok, please wait for a while. 
 customer: Sure. 
 agent: Thanks for sharing your essentials. There are no flights available on your route. 
 customer: Ok, no issue with that. Thank you for your help. 
 agent: Thank you for opting us. 
 customer: Welcome.
answer:
no_flight


question:
customer: Hello. 
 agent: Hello, How can I assist you? 
 customer: I am planning to visit Katherine Taylor, will you help me in booking the flight ticket from JFK to EWR? 
 agent: Sure, May I know the journey dates? 
 customer: My travelling dates are Mar 28 and Mar 30. 
 agent: Do you have any connection limit? 
 customer: I need a connecting flight. 
 agent: Is there any other requirements? 
 customer: No, thank you for asking. 
 agent: May I know your name? 
 customer: Myself Katherine Taylor. 
 agent: Please wait a second. 
 customer: Ok, I will wait. 
 agent: Sorry, No flights found with your chosen dates. 
 customer: Ok, not an issue. Thank you for your information. 
 agent: Thank you for opting us.
answer:
no_flight