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. 
 customer: I am Kimberley Adams. 
 agent: How may I serve you now? 
 customer: I want to book a flight ticket to attend my friend's bachelor's party in DFW. Can you book a flight ticket with price of 200? 
 agent: Sure, I am here to help you. 
 customer: Thank you. 
 agent: Can I have your staring date of journey? 
 customer: Yes, I will start my journey on 05/17. 
 agent: From where would you like to board? 
 customer: I would like to board from LAS. 
 agent: When will you return from the party? 
 customer: My return date is 05/19. 
 agent: Thank you for sharing the details. Give me a minute to check the flight availability. 
 customer: Ok, take your time. 
 agent: Thank you for giving your time. I am happy to inform you that, there is a connecting flight available with fare 100 in Spirit airline. 
 customer: Please make it reserved for me. 
 agent: Your ticket has been confirmed with flight number 1015. 
 customer: Thank you for your quick response. 
 agent: Thank you for opting us.
A:
book