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

[Q]: customer: Hello. I am Christine Scott. 
 agent: Hello, how can I aid you today? 
 customer: I would like to book a ticket from ORD to DCA, can you please help me out? 
 agent: Sure, when are you planning to start and return on? 
 customer: I am travelling on these dates AUG 11th and 13th. 
 agent: Do you need a connecting flight or a direct flight? 
 customer: I need a connecting flight. 
 agent: There are no flights found with the given details. 
 customer: Ok no problem, thank you for your services. 
 agent: Thank you, please visit again.
[A]: no_flight


[Q]: customer: Hello. 
 agent: Hello. How can I help you? 
 customer: Being a scientist, I have to give a seminar at Austin, AUS. This is the reason for booking a ticket on 11/23. Will you help me? 
 agent: Sure, I am here to help you. 
 customer: Ok. 
 agent: Can I know your source code please? 
 customer: Book a ticket from Charlotte, CLT. 
 agent: Ok, may I know when you want to return? 
 customer: 11/25 is my return date. 
 agent: Do you need any halt in between your journey? 
 customer: Yes, I need a halt. 
 agent: Wait a minute please. 
 customer: Sure. 
 agent: Thank you for waiting, we found a flight with number 1026 and airline AA at a price of 200 with 1 connection. Shall I proceed? 
 customer: Ok, book my ticket with this flight. 
 agent: Sure, your booking is done. 
 customer: Thank you for your service. 
 agent: May I know your name please? 
 customer: Reserve a ticket with the name of Gary Phillips. 
 agent: Thank you for reaching us, have  a nice day.
[A]: book


[Q]: customer: Hello. 
 agent: Hello. How may I assist you today? 
 customer: I am Eric Green. I would like to book a ticket from PHX to BOS, can you please help me out? 
 agent: Sure, Can you confirm your planned trip dates? 
 customer: I am travelling on these dates July 3rd and 5th. 
 agent: Do you have any another specifications on this journey? 
 customer: I need a single connection limit. 
 agent: Hawaiian Airlines is providing a flight for you with fare 100 and connection limit is 1. Can I proceed with this booking? 
 customer: I prefer departure afternoon flight and arrival morning flight. 
 agent: Your Depature time is 17.00 PM and arrival time is 8.00 AM. 
 customer: Ok, you can proceed. 
 agent: Your ticket reservation done with the flight number 1021. 
 customer: Thank you for your services. 
 agent: Welcome, thank you for reaching us.
[A]:
book