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: 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.
Solution is here: no_reservation
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

Now, solve this: customer: Hello. 
 agent: Hello, how may I assist you today? 
 customer: Would you please confirm a seat in flight which is heading to Boston, BOS? 
 agent: Sure, we will help you. 
 customer: Thank you. 
 agent: Can you please share your connection limit? 
 customer: Yes, I need to halt in between my journey. 
 agent: May I know your landing point? 
 customer: It's BOS, Boston. 
 agent: When you are planning to make your journey? 
 customer: I planned my journey on 07/01 to 07/03. 
 agent: Can you please let me know your take off airport? 
 customer: Origin point is Minneapolis, MSP. 
 agent: Ok, please be on hold. 
 customer: Sure. 
 agent: We found a connecting flight with Delta airlines, flight number 1006 and the fare of 100. 
 customer: Ok, you can confirm a seat. 
 agent: To proceed further, may I know your name please? 
 customer: I am Margaret Wright. 
 agent: Ok, your ticket has been confirmed with the name of Margaret Wright. 
 customer: Ok, Thank you. 
 agent: Thank you for reaching us.
Solution:
book