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. 
 customer: I am Rebecca Nelson. 
 agent: Nelson, how may I assist you? 
 customer: I am looking for a direct flight, could you please help me with that? 
 agent: Sure, may I know your itinerary dates? 
 customer: I would like to take off on 11/29 and return on 12/01. 
 agent: Please share your origin and destination airport codes. 
 customer: My nearest source airport code is JFK and destination airport code is PHX. 
 agent: Please give me a moment to check for a best flight. 
 customer: Sure, take your time. 
 agent: Frontier airlines with flight 1004 having 1 connection is providing service on your route. 
 customer: I am looking for a direct flight. 
 agent: Let me check. Sorry, no direct flight is available. 
 customer: That's ok, not an issue. 
 agent: Thank you for contacting us. 
 customer: Anyways, thank you for the information.
answer:
no_flight


question:
customer: Hello. 
 agent: Hello. 
 customer: Emily Clark here. 
 agent: How may I lend a hand to? 
 customer: I need to have a flight ticket from OAK to AUS for an important business meeting, can you please help me out with booking of a flight ticket on those locations? 
 agent: Sure Clark, When you are willing to travel? 
 customer: I would like to start my journey on 12/29. 
 agent: Just a moment. 
 customer: Sure. 
 agent: Can you please share me your return dates? 
 customer: I would like to return on 12/31. 
 agent: Clark sorry to intimate, no flights are available with your requirements. 
 customer: Oh! Sad to hear that. Anyway, I will contact another agency to go there. Thank you for the information. 
 agent: You are welcome, thank you very much for contacting us.
answer:
no_flight


question:
customer: Hi. 
 agent: Hello, how can I help you today? 
 customer: Could you please help me in booking a flight ticket from MSP to IAH? 
 agent: On which dates would you like me to book a flight ticket for you? 
 customer: My travelling dates are Apr 18 and Apr 20. 
 agent: On what name, do I need to reserve your ticket? 
 customer: My name is William Garcia. 
 agent: Let me know your connection limit? 
 customer: I need a single connecting flight. 
 agent: Do you have any other requirements? 
 customer: I want to depart in the morning. 
 agent: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions. 
 customer: Not an issue, thank you for the information. 
 agent: Thank you for choosing us.
answer:
no_flight