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
Problem:customer: Hello. I am Matthew Thomas. 
 agent: Hello, how may I amend you today? 
 customer: I need to attend conference meeting at Los Angeles, CA - LAX. Can you aid me in booking a flight ticket from Phoenix, AZ - PHX? 
 agent: Please provide your travelling dates? 
 customer: 04/05 and 04/07 are my travelling dates. 
 agent: Do you prefer any flag station in between the journey? 
 customer: I prefer single connection. 
 agent: We found a flight 1017 in Jet Blue airlines the price is 200 with a break in between the journey. 
 customer: Please proceed for booking. 
 agent: Your ticket has been confirmed. 
 customer: Thanks for booking my ticket. 
 agent: Thank you for making us to serve you.
Solution:
book