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 support you? 
 customer: I am Jeffrey Davis, I want to book a flight ticket to attend my sister's baby shower ceremony. Can you help me with that? 
 agent: Sure, can you please share your airport codes? 
 customer: I would like to travel from HOU to SEA. 
 agent: Kindly share your price limit? 
 customer: Price limit should not exceed 1000. 
 agent: Please provide your journey dates? 
 customer: I want to fly from 05/01 and return on 05/03. 
 agent: Please wait a while. 
 customer: Ok. 
 agent: Thank you for waiting. We found a flight with AA airlines and flight number is 1011 having single connection. 
 customer: It is perfect for me, please proceed with the booking. 
 agent: Your reservation has been done. 
 customer: Thanks for helping me. 
 agent: Thank you for choosing us.
A:
book