Detailed Instructions: 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
Q: customer: Hi. 
 agent: Hello, how can I aid you for today? 
 customer: Can you please reserve me a flight ticket from MCO to DFW? 
 agent: I am here to help you in booking your flight ticket. Can you please let me know your planned dates of journey? 
 customer: Thank you, my trip dates are Mar 8 - Mar 10. 
 agent: Do you need any connecting flight for your journey? 
 customer: I prefer to go by a single connecting flight. 
 agent: Do you have any other requirement for this trip? 
 customer: No, thank you for asking. 
 agent: Please let me know your name for further proceeding. 
 customer: Kenneth Robinson here. 
 agent: Hawaiian airlines is providing a flight to your region having a ticket fare of 100 with single connecting flight. Shall I proceed with the booking in this flight? 
 customer: Please reserve. 
 agent: I have confirmed your flight ticket with the flight 1004 in an economy class. 
 customer: Thank you. 
 agent: You are welcome, thank you for opting our service. Have a safe journey.
A:
book