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 help you? 
 customer: Myself Margaret Campbell. Can you please help me in flight ticket booking process from MCO to ATL? 
 agent: Sure, when do you want to travel? 
 customer: Thank you for your response, I want to take off on June 07 and please confirm my return ticket also on June 09. 
 agent: Do you have any preferences? 
 customer: I want 1 halt in between my journey. 
 agent: Sorry, we do not found any flights running in your desired routes. 
 customer: Oh! It's ok no problem. Thank you for your information. 
 agent: Thank you for reaching us.
Solution:
no_flight