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. What assistance that can I do for you? 
 customer: I am Sarah Rodriguez. I need a flight ticket from LAX to SFO, will you please help me in booking a ticket? 
 agent: Yes, I am here in helping, can you please let me provide your dates please? 
 customer: My travelling dates are 06/06 and 06/08. 
 agent: Thank for your valuable information. 
 customer: Ok, I need a single connecting flight so, please check with that. 
 agent: I found a connecting flight in AA airlines with a fare of 100 and the flight number is 1005, can I confirm your ticket booking? 
 customer: Yes, please confirm it. 
 agent: Ok, your ticket is successfully booked. 
 customer: Thank you for helping me. 
 agent: It's my pleasure and have a nice day.
book