Q: 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 help you? 
 customer: I am Dennis Young, and I just want to book a ticket from NY-LGA to FL-MCO for my brother's marriage. 
 agent: May I know your travelling dates? 
 customer: Sure, my dates of travel is from 06/21 to 06/23. Do you have any ticket for me? 
 agent: As per your requirement I found a ticket for you.The price is 100, flight number is 1028 and with connection 1. Is it OK for you? 
 customer: Can you please check with connection limit 0. 
 agent: Sorry, I can't provide. 
 customer: OK, that's fine. 
 agent: Thank you. 
 customer: Thank you.
A:
no_flight