Q: 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
customer: Hello. 
 agent: Hello, how may I serve you today? 
 customer: I would like to travel from MSP to AUS as a business trip. 
 agent: Ok. 
 customer: Can you do the reservation? 
 agent: Sure, can you share your trip dates? 
 customer: My journey dates are 11/05 and 11/07. 
 agent: May I know your connection limit? 
 customer: I need break in my journey. 
 agent: Can I know your good name please? 
 customer: Andrew Green here. 
 agent: Do you have any other specifications to be met? 
 customer: No. 
 agent: Thank you for waiting and we have found a flight in an economy class with 1 connection in Hawaiian airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight? 
 customer: Please proceed. 
 agent: Your booking is done with flight number 1003. 
 customer: Thank you so much. 
 agent: Thank you for choosing us.
A:
book