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. 
 customer: I am Barbara Green. 
 agent: How can I assist you? 
 customer: I am very interested in Hiking and cycling. So, I am willing to visit Hiking and cycling at Bear Mountains. Can you please help me to reserve a flight ticket for me from PHX to LAX? 
 agent: Sure, may I know your preferred journey dates? 
 customer: Sure, I have planned my journey dates on 02/03 and I will catch the return flight on 02/05. 
 agent: Please give me a minute. 
 customer: Sure, take your own time. 
 agent: I found a flight for you in UA airlines with price 200. Shall I book the ticket for you? 
 customer: I am ok with the flight that you have provided to my journey. Continue with flight ticket booking. 
 agent: Your ticket is confirmed and the flight number is 1002. 
 customer: Thank you for your help in my flight ticket booking. 
 agent: Thank you for contacting us, have a safe journey. 
 customer: You are welcome.
answer:
book


question:
customer: Hello. 
 agent: Hello. How may I assist you? 
 customer: I have to attend for a client meeting in ATL. Can you please make a reservation from IAD? 
 agent: Sure, I will help you. May I know your trip dates please? 
 customer: Sure, my travelling dates are May 14 - May 16. 
 agent: Can I have your good name please? 
 customer: My name is Sharon Allen. 
 agent: Do you need a connecting flight for your trip? 
 customer: I need a connecting flight. 
 agent: May I know your timings of your journey? 
 customer: My depart time must be in the afternoon. 
 agent: Do you have any other specifications? 
 customer: No. 
 agent: Sharon Allen, no flights has been found on your specifications. 
 customer: Ok, no problem. Thank you for the information. 
 agent: Thank you for approaching us.
answer:
no_flight


question:
customer: Hello. 
 agent: Hello. 
 customer: Larry Edwards here. 
 agent: Larry, how can I aid you today? 
 customer: I want to attend a Seminar in Las Vegas. Can you please help me for booking the flight ticket? 
 agent: Sure, I am here to help you. May I know your travel dates please? 
 customer: My travelling dates are 10/28 and 10/30. 
 agent: Ok, can you please provide your airport codes? 
 customer: My airport codes are SFO and LAS. 
 agent: Ok, hold on for a moment. Let me check the best flight for you. 
 customer: Ok, I will wait. 
 agent: I found a flight for you with AA airline and it costs you 200. Shall I proceed? 
 customer: Please proceed for booking the flight ticket. 
 agent: Your ticket has been booked with 1020 flight number. 
 customer: Thanks for helping me. 
 agent: Welcome, thank you for choosing us. Have a safe flight.
answer:
book