Definition: 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
Input: customer: Hello,. I am Amanda Hernandez. 
 agent: Hello, what can I do for you today? 
 customer: Can you please book a flight ticket from MCO to SFO? 
 agent: Sure, May I know your travelling dates? 
 customer: My journey dates on 07/03 and 07/05. 
 agent: Do you prefer connecting flight? 
 customer: Yes, I prefer a connecting flight. 
 agent: Please wait, I will get back to you shortly. 
 customer: Sure. 
 agent: We have found a AA airline flight with one connection and the price is 100. Shall I proceed? 
 customer: Ok, proceed. 
 agent: Your booking is done. 
 customer: Thanks for the help. 
 agent: Thank you.
Output:
book