Teacher: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
Teacher: Now, understand the problem? Solve this instance: customer: Hello. I am Carol Edwards. 
 agent: Hello. How can I assist you at this moment? 
 customer: I need some immediate assistance in my flight ticket booking from DTW to AUS, can you help me in that booking process? 
 agent: Sure Carol, I am ready to help you with that. Can I have your travel dates please? 
 customer: Thank you and my travel dates are 11/30 and back on 12/02. 
 agent: Ok Carol, please wait a moment to check flight availability. 
 customer: Sure, I can wait for your response. 
 agent: AA airlines running a flight in your route with connection 1 and the ticket fare is 100. Shall I proceed with booking? 
 customer: Yes, please go ahead and confirm my flight ticket booking. 
 agent: Ok Carol Edwards, your ticket booking has done and the flight number is 1013. 
 customer: Thank you so much for your kind service in my ticket booking. 
 agent: Thank you for choosing us, have a great journey. 
 customer: Welcome.
Student:
book