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. How can I aid you? 
 customer: Can you aid me in booking a flight ticket from MSP to HOU? 
 agent: Sure, may I know about the planned travel dates? 
 customer: I am planning to start on Sep 29th and return back on Oct 1st. 
 agent: Do you have any specifications? 
 customer: I prefer to travel in economy class. 
 agent: May I know about the connection limit? 
 customer: Make sure that connection limit is 1. 
 agent: Please provide me the name. 
 customer: I am Anna Thomas. 
 agent: Here, there are no flights are available for your desired intent. 
 customer: No issues. Thank you for checking. 
 agent: Thank you for reaching us.
no_flight