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: Hi,. 
 agent: Hello, how may I assist you? 
 customer: I would like to go for a food festival at Boston, MA - BOS to know about different varieties. Can you help me in booking with a connecting flight? 
 agent: Sure, I will help you with booking. 
 customer: Thank you. 
 agent: Please mention your planned journey dates? 
 customer: I want to travel on 11/09 and return on 11/11. 
 agent: May I know your source point? 
 customer: My source is from Houston, HOU. 
 agent: Please wait for a while. 
 customer: Sure. 
 agent: Thank you for waiting, sorry there is no flight available on your journey data. 
 customer: Not a problem, thank you for the information. 
 agent: May I know your good name? 
 customer: My name is Daniel Young. 
 agent: Thank you visiting us, we hope see you again.
Solution:
no_flight