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. 
 customer: Karen Jones is my name. 
 agent: How may I assist you? 
 customer: I am going to celebrate the Bate-aux new York dinner cruise at New York. 
 agent: Ok. 
 customer: So, could you help me in booing a ticket under the price limit of 200? 
 agent: Sure, we are happy to help you. 
 customer: Ok. 
 agent: Can you please share your journey locations? 
 customer: Journey locations are Los Angeles, LAX and New York, EWR. 
 agent: When you are planning to travel? 
 customer: I am planning to travel on 12/05 to 12/07. 
 agent: Please wait a while, I will search a flight for you. 
 customer: Sure, I will wait. 
 agent: Thanks for waiting, there is a connecting flight available with fare 100 in AA airline. May I proceed? 
 customer: Fine, confirm it. 
 agent: Your reservation was confirmed with flight number 1011. 
 customer: Thank you for addressing me. 
 agent: Thank you for opting us.
A:
book