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: Hello. 
 agent: Hello. How may I help you? 
 customer: I want to go to LAX from LGA, so please help me to book a flight ticket. 
 agent: Sure, may I know your travelling dates? 
 customer: My travelling dates are 06/08 and 06/10. 
 agent: Ok, wait for a minute. May I know your name? 
 customer: My name is Linda Collins. 
 agent: Sorry, no flight's found on your details. 
 customer: Its ok, thank you for the information. 
 agent: Thank you for contacting us. 
 customer: You are welcome.
answer:
no_flight


question:
customer: Hello. 
 agent: Hello. 
 customer: I am Angela Baker. 
 agent: How may I aid you today? 
 customer: Can you find a flight from HOU to SEA, to visit the Chihuly Garden and Glass. 
 agent: Sure, I am here to help you out. Please provide me your trip dates. 
 customer: Help me with booking ticket from 08/20 and 08/22. 
 agent: Sure  Angela Baker, there is a flight with 1 stop and price is 100 in economy class, can I proceed with it? 
 customer: Yes, please. 
 agent: Your ticket has need with 1014 flight in Delta airlines. 
 customer: Thanks for your help. 
 agent: Thank you for reaching us.
answer:
book


question:
customer: Hello. 
 agent: Hello, how may I help you? 
 customer: Can you please help me with changing my previous booking? 
 agent: Sure, may I know your name please? 
 customer: My name is Lisa Roberts. 
 agent: Ok, please wait for a moment. 
 customer: Ok, take your time. 
 agent: Sorry, there was no reservation found with your given name. 
 customer: Oh! That's fine. Thank you for checking. 
 agent: Thank you for opting us. 
 customer: Most welcome.
answer:
no_reservation