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
Q: customer: Hello. 
 agent: Hello, how may I address you? 
 customer: I am planning to book a flight ticket to ORD from ATL, can you please help me out? 
 agent: Sure, when are you planning to make your trip? 
 customer: Sure, my planned travelling dates are June 01 and June 03. 
 agent: How many connections do you need? 
 customer: Yes, I prefer direct flight. 
 agent: Do you have any other specifications? 
 customer: Yes, I prefer direct flight. 
 agent: May I know your name? 
 customer: Sure, my name is Ronald Hernandez. 
 agent: Ok, please wait for a while. 
 customer: Ok, take your time. 
 agent: Thanks for waiting, there are no flights going on your way at this moment. 
 customer: It's ok, thank you for the information. 
 agent: Thank you for opting us.
A:
no_flight