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 assist you? 
 customer: I am planning to book a ticket from EWR to DEN. Can you please help me out? 
 agent: Sure, may I know your planned trip dates? 
 customer: I am planning to travel on July 10 and return back on July 12. 
 agent: Do you have any other requirements? 
 customer: I am looking for a connecting flight. 
 agent: Can you please share me your name? 
 customer: My name is Edwards Thomas. 
 agent: We are sorry to inform you that there is no flight found with your given information. 
 customer: That's fine, thank you for your service. 
 agent: Thank you.
answer:
no_flight


question:
customer: Hi. 
 agent:  Hello, How exactly I can serve you the best today? 
 customer: I need to change my trip dates in my recent reservation, can you serve me in changing this? 
 agent: Sure, I will help you with that. 
 customer: Thanks. 
 agent: May I know your name to check your details in our database? 
 customer: Lisa Evans is my name, you can check with this. 
 agent: Please wait a while. 
 customer: OK. 
 agent: Thank you for waiting. I have checked in reservation list to change your ticket, but could not find any reservation with your name. 
 customer: OK. Not a problem, Thanks for your time with us. 
 agent: Thank you for choosing us.
answer:
no_reservation


question:
customer: Hi, I am Ronald Thomas. 
 agent: Hello, how may I help you? 
 customer: Can you please help me with booking a flight ticket from MSP to IAD? 
 agent: Sure, can you share your travelling dates? 
 customer: Travelling dates are 09/03 and 09/05. 
 agent: Wait a minute. 
 customer: OK. 
 agent: We found a flight on Jetblue airline, flight number as 1017 with the fare of 100. Shall I proceed? 
 customer: You can proceed with booking. 
 agent: Your ticket has been booked. 
 customer: Thanks for the help. 
 agent: Thank you for reaching us.
answer:
book