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
Q: customer: Hi. 
 agent: Hello. How may I assist you? 
 customer: Mary Rodriguez here. I am planning to attend a Hockey competition in JFK from CLT. Can you find a flight ticket for me? 
 agent: Sure, may I know  your travelling dates please? 
 customer: Ok, my planned journey dates are from 04/25 to 04/27. 
 agent: Delta airlines is available in your route with the ticket fare of 200, shall I proceed with the booking? 
 customer: Please go ahead for booking. 
 agent: Your ticket is booked with the flight-1001. 
 customer: Thank you for assisting me. 
 agent: Thank you for reaching us.
A:
book