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. 
 agent: Hello, how can I help you today? 
 customer: I am planning to book a flight ticket to SFO from OAK, can you please help me out? 
 agent: Sure, I am glad to help you in booking. Can you please share your travel dates? 
 customer: Sure, my planned travelling dates are June 11 and June 13. 
 agent: Ok, please share your name. 
 customer: Sure, my name is Timothy Lopez. 
 agent: May I know your connection limit? 
 customer: Yes, I am looking for a flight with 1 connection. 
 agent: Do you have any specification? 
 customer: No. 
 agent: We found a flight 1001 in AA airlines with 1 stopover and it costs you 100. Can I proceed? 
 customer: Ok, please confirm my reservation. 
 agent: Your booking is done. 
 customer: Thank you for the help. 
 agent: Thank you for reaching us, have a safe flight.
Solution:
book