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
One example is below.
Q: customer: Hi. 
 agent: Hello. How can I help you? 
 customer: I would like to change my existing reservation as my plan to go for a holiday trip got postponed. Can you please help me with this? 
 agent: Sure, may I know your name please? 
 customer: My name is Anthony Phillips. 
 agent: Please wait a moment. 
 customer: Sure. 
 agent: Unfortunately there is no reservation found with your given name. 
 customer: Not a problem, thank you for checking. 
 agent: Thank you for choosing us.
A: no_reservation
Rationale: Here the customer has not asked for any booking, he just wanted to update his already booked flight, so the status would be no_reservation
Q: customer: Hi. 
 agent: Hello, how can I aid you for today? 
 customer: I want to book a flight ticket, can you find a flight for me with booking ticket in the morning from my return time? 
 agent: I am here to help you about that. Can you please provide your planned dates of journey? 
 customer: Ok, my journey dates are from Nov 23 to 25. 
 agent: Can you please let me know your respective location codes of journey? 
 customer: Sure, my locations are from LGA to LAX. 
 agent: Do you need a connecting flight for your journey? 
 customer: I need a connecting flight. 
 agent: Do you have any other requirement for your journey? 
 customer: No. 
 agent: Can you please let me know your name for further proceeding? 
 customer: Sure, I am Nancy Williams. 
 agent: As per your intents, I have found a connecting flight to your region on your planned dates of journey which departures in the morning having a ticket fare of 600 by United Airlines. Shall I proceed with the booking? 
 customer: Yes, please. 
 agent: I have booked your flight ticket with the flight 1024 in a business class. 
 customer: Thanks for your help. 
 agent: You are welcome, thank you for reaching us.
A:
book