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, how may I guide you today? 
 customer: I am Stephen Turner, can you assist me to book a flight from DEN to ATL? 
 agent: Sure, could you please share me with your dates of trip? 
 customer: Ok, my travel date is on 01/07 from Denver and return date is on 01/09. 
 agent: Ok, please hold on for a mean while. The flight with the connecting flight of fare 100 has found, shall I book this ticket booking? 
 customer: Ok, please the book. 
 agent: The flight with the Delta airline and flight number is 1009 has been confirmed. 
 customer: Thank you for helping me with the booking. 
 agent: You are welcome and have a happy journey.
answer:
book


question:
customer: Hello. 
 agent: Hello, how may I help you? 
 customer: I have to change my reservation due to my planned trip got postponed. So  please help me with that. 
 agent: Sure, please share your good name? 
 customer: Thank you. Please check the reservation with my name Thomas Taylor. 
 agent: Please wait for a while. 
 customer: Sure, take your time. 
 agent: Sorry, no reservation found on your given name. 
 customer: Oh! It may not be booked properly. Anyway, thank you for your time. 
 agent: Thank you for choosing us. 
 customer: Most welcome.
answer:
no_reservation


question:
customer: Hi. 
 agent: Hello, do you need any help from us? 
 customer: Can you help me in booking from DEN to EWR, as there is a business meeting to attend? 
 agent: Sure, could you please share your departure and arrival day? 
 customer: My journey dates are Jul 7 to Jul 9. 
 agent: Ok, could I have your name please? 
 customer: I am Margaret Clark. 
 agent: Ok, do you need direct or connecting flight? 
 customer: I am looking for a stopover flight. 
 agent: Ok, please allow me a moment. 
 customer: Sure. 
 agent: Sorry, there is no flight on your requested travelling dates. 
 customer: No issue, thank you. 
 agent: You are welcome, have a great day.
answer:
no_flight