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: Hi, I am Timothy Campbell. 
 agent: Hello, what can I do for you today? 
 customer: I am planning to travel to New York to celebrate my cousin birthday. Can you make a reservation with a single connection? 
 agent: Sure, could you please share your travelling dates? 
 customer: Sure, I need to fly on 06/09 and 06/11. 
 agent: Ok, may I know your near by airport codes? 
 customer: Sure, I need to deviate from Austin AUS. 
 agent: Kindly mention your destination airport code? 
 customer: Sure, my landing point is LGA. 
 agent: There are no flights found on your requested dates. 
 customer: Ok, not an issue. 
 agent: Thank you for reaching us. 
 customer: Thank you for your information.
A:
no_flight