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
Example: 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.
Example solution: no_reservation
Example explanation: 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

Problem: customer: Hi. I am Nancy Moore. 
 agent: Hello, how may I be at your service today? 
 customer: Can you help me in booking from OAK to HOU, as there is a business meeting to attend? 
 agent: Sure, can you please help me with providing your journey dates? 
 customer: My trip dates are Oct 23 to Oct 25. 
 agent: May I know your connection limit please? 
 customer: I need a connecting flight. 
 agent: Do you prefer business or economy class in your journey? 
 customer: I am ok with any class. 
 agent: Ok, please be on hold. 
 customer: Sure. 
 agent: We found a United airlines, flight number 1004 and the fare of 100 in economy class matching your details. Shall I proceed? 
 customer: You can reserve it. 
 agent: Your ticket has been reserved. 
 customer: Thank you. 
 agent: Thank you for opting us.
Solution: book