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: Hi. 
 agent: Hello. How can I help you? 
 customer: Please help me out in booking the ticket from HOU to OAK. 
 agent: May I know your desired travel dates please? 
 customer: My trip dates will be Jun 15 to Jun 17. 
 agent: Do you have any specifications? 
 customer: I need a connecting flight. 
 agent: May I know your name please? 
 customer: Nancy Hernandez is my name. 
 agent: There is a flight with connection limit 1 and fare 100, shall I proceed for booking? 
 customer: Please proceed. 
 agent: Your ticket is booked, flight number 1006 with American Airlines. 
 customer: Thank you. 
 agent: Thank you for opting us.
Solution:
book