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? 
 customer: For a holiday vacation I want to go to MSP on 08/09. Aid me in booking a ticket with the name of Samantha Perez. 
 agent: Sure, I am here to help you. May I know your return date? 
 customer: On 08/11, I have to return. 
 agent: Could you please share your source code? 
 customer: Phoenix, PHX is my source point. 
 agent: Do you need any halt in between your journey? 
 customer: Yes, connection is to be 1. 
 agent: Thanks for your details, there is no flight found to reach your destination. 
 customer: Fine, I will go with another flight. Thank you for your service. 
 agent: Thank you for reaching us.
Solution:
no_flight