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, what can I do for you? 
 customer: I'm Samuel Edwards. I'm planning to visit Times Square in JFK, can you book a ticket from HOU? 
 agent: Would you please provide your travel dates? 
 customer: My travel dates are from 04/24 to 04/26. 
 agent: Flight-1006 with American airlines is available, is it ok for you? 
 customer: Yes, please book the ticket. 
 agent: Your ticket has been booked, thanks for reaching us. 
 customer: Thank you for your help. 
 agent: Have a great journey.
A:
book