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 Sandra Gonzalez. 
 agent: Hello. How can I aid you? 
 customer: I want to book a connecting flight ticket to attend an meeting. Can you help me? 
 agent: Sure, may I know your planned travel dates? 
 customer: Thank you. 08/20 and 08/22 are my travelling dates. 
 agent: Please provide me the planned airport codes. 
 customer: DFW and ORD are my airport codes. 
 agent: Do you have any specifications? 
 customer: No. 
 agent: Here, I found a flight with 1 connection and airfare is about 100. Shall I proceed in booking with this flight? 
 customer: You can proceed it for booking. 
 agent: In an economy class, your ticket has been confirmed for the flight 1004 in JetBlue airlines. 
 customer: Thank you for your help. 
 agent: Thank you for reaching us.
book