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: 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: Hello. 
 agent: Hello. How can I help you today? 
 customer: I am looking for a flight which will be travelling from Denver to EWR. Can you please help me in this? 
 agent: Sure, I am gleeful to help you with that. May I know your travelling dates, please? 
 customer: My travel dates are from Oct 24 to Oct 26. 
 agent: Can I know your connection limit? 
 customer: I am fine comfortable with minimum 1 connection limit. 
 agent: Do you have any class preference? 
 customer: No that's it, thank you. 
 agent: Is there any other requirements regarding on your journey? 
 customer: No. 
 agent: There is a connecting flight-1000 available in Jet Blue Airlines with a fare of 100. Shall I book it? 
 customer: Please proceed my booking with my name of David Thompson. 
 agent: David Thompson, your booking is done in economy class. 
 customer: Thank you so much.
answer:
book


question:
customer: Hi. I am Mark Carter. 
 agent: Hello, How can I serve you? 
 customer: Due to sudden demise of my grand father, I need to cancel my existing reservation. 
 agent: Ok. 
 customer: Will you please assist me in doing that? 
 agent: Sure, I will help you. 
 customer: Thank you. 
 agent: Please wait. 
 customer: Sure. 
 agent: Thanks for waiting, there is no reservation on your name. 
 customer: Not an issue. Thank you for your response. 
 agent: Thank you.
answer:
no_reservation