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 may I assist you? 
 customer: I have to attend for a client meeting in ATL. Can you please make a reservation from IAD? 
 agent: Sure, I will help you. May I know your trip dates please? 
 customer: Sure, my travelling dates are May 14 - May 16. 
 agent: Can I have your good name please? 
 customer: My name is Sharon Allen. 
 agent: Do you need a connecting flight for your trip? 
 customer: I need a connecting flight. 
 agent: May I know your timings of your journey? 
 customer: My depart time must be in the afternoon. 
 agent: Do you have any other specifications? 
 customer: No. 
 agent: Sharon Allen, no flights has been found on your specifications. 
 customer: Ok, no problem. Thank you for the information. 
 agent: Thank you for approaching us.
Solution:
no_flight