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. 
 agent: Hello, how may I assist you today? 
 customer: I want to travel to AUS to meet my family, can you book a flight ticket from EWR? 
 agent: Sure, may I know your good name? 
 customer: My name is Timothy Rodriguez. 
 agent: Please let me know your connection limit? 
 customer: I prefer to travel in a single connecting flight. 
 agent: Could you please help me with your journey dates? 
 customer: I want to travel in Jan from 14th to 16th. 
 agent: Do you have any other preferences? 
 customer: No, thanks for asking. 
 agent: Ok, please wait for a minute. 
 customer: Sure, take your time. 
 agent: We found a connecting flight 1024 in Frontier airline has fare 100. Shall I proceed? 
 customer: Yes, please proceed. 
 agent: Your ticket has been confirmed in economy class. 
 customer: Thank you for your help. 
 agent: Thank you for availing us, have a safe journey.
A:
book