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: Hi, I am Amanda Rodriguez. 
 agent: Hello, how may I render you? 
 customer: I would like to reserve a ticket to MCO to meet my cousin from IAD. 
 agent: Sure, let me know your travel dates. 
 customer: Please help me with booking a ticket under the price 200. I want to fly on 06/23 and will return on 06/25. 
 agent: Ok, please wait. 
 customer: Ok. 
 agent: Ok, there is an Frontier airline with flight number 1001 and price of 200 available at this moment. 
 customer: That's perfect, you can reserve. 
 agent: Your booking has been done. 
 customer: Thank you for your assistance. 
 agent: Thank you for reaching us.
A:
book