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 best can I guide you for the day? 
 customer: Can you help me to book a flight from my work location Phoenix, PHX to Houston, HOU? 
 agent: Sure, do you prefer a connecting flight? 
 customer: Ok, please book a connecting flight. 
 agent: When do you want to start and return on? 
 customer: Ok, please book a flight for the dates June 22nd and June 24th. 
 agent: Do you prefer any other specifications? 
 customer: No. 
 agent: Can I know your good name? Thank you for your details, we found a connecting flight 1025 in class economy which is in Hawaiian airline. 
 customer: Ok, please book a ticket on the name Jeffrey Lopez. 
 agent: Your ticket has been confirmed. 
 customer: That is great, thank you for assisting me.
A:
book