instruction:
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
question:
customer: Hi. 
 agent: Hello, How can I help you? 
 customer: Can you help me to book a flight from LAS to AUS? 
 agent: Sure, May I know the travelling dates? 
 customer: My travelling dates are 11/29 and 12/01. 
 agent: Do you have any connection limit? 
 customer: I need a connecting flight. 
 agent: Do you have any preference in airline? 
 customer: I prefer normal cost airline. 
 agent: May I know your name? 
 customer: My name is Pamela Wilson. 
 agent: Please wait a minute. 
 customer: Ok. 
 agent: Sorry, No flights found with your chosen dates. 
 customer: No issues, thank you for your time. 
 agent: Thank you for opting us.
answer:
no_flight


question:
customer: Hello,. I am Cynthia Roberts. 
 agent: Hello, how can I help you now? 
 customer: I made a earlier reservation to go for a trip with my friends, due to some financial problems, it got postponed. Can you please change my existing reservation? 
 agent: Sure, I will help you with that. 
 customer: Thank you. 
 agent: Please wait for a moment, while I check for the reservation. 
 customer: Sure. 
 agent: Thank you for waiting, sorry there is no reservation found on your name in our system data. 
 customer: Ok, no issue. Thank you for your information. 
 agent: Thank you for reaching us, we hope see you again.
answer:
no_reservation


question:
customer: Hi. 
 agent: Hello. How may I assist you today? 
 customer: Can you please book a ticket on 06/30? 
 agent: Sure, may I know your return date? 
 customer: I intend to return on 07/02. 
 agent: Please let me know your source and destination points. 
 customer: Denver, DEN is my Source to Chicago, ORD is my destination. 
 agent: Is there any connection limit? 
 customer: Yes, I need to travel with one halt in between my journey. 
 agent: Thanks for giving your journey details, we found a Jet Blue airline matching airline with one connection and the price 200. 
 customer: Ok. You can proceed to book. 
 agent: Your booking has been confirmed. May I know your name please? 
 customer: Thank you.
answer:
book