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 Ruth Martinez. 
 agent: Hello, how may I serve you today? 
 customer: I want to conduct an musical event at CA-SFO. Could you please help me with booking a flight ticket? 
 agent: Sure, may I know your price limit? 
 customer: My price limit should be under 5000. 
 agent: Do you need any connection limit? 
 customer: Yes, I need a single connection in between the journey. 
 agent: Please provide your journey points? 
 customer: Sure, my origin is AZ-PHX. 
 agent: To process further we need your travelling days? 
 customer: Sure, I intent to fly on 05/09 and return on 05/11. 
 agent: Thank you for your information. We found a flight 1013 in Southwest airlines which matches your specifiactions. Shall I proceed? 
 customer: Yes, please proceed. 
 agent: Your ticket has been confirmed. 
 customer: Ok, thank you for your quick response. 
 agent: Thank you for availing with us.
Solution:
book