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

[EX Q]: customer: Hi. 
 agent: Hello. How may I assist you? 
 customer: Emma Wilson here. 
 agent:  Emma Wilson, nice to meet you. 
 customer: I would like to book a ticket from OAK to JFK, could you please help me? 
 agent: Sure, let me know travel dates too. 
 customer: My journey dates are 12/11 and 12/13. 
 agent: I got a flight for you with 0 connection. Shall I proceed? 
 customer: Yes, proceed. 
 agent: Ok, your ticket has been booked with flight number 1016 and your airline is Spirit. 
 customer: Thank you for the help. 
 agent: Thank you for choosing us.
[EX A]: book

[EX Q]: customer: Hello. 
 agent: Hello, how may I be at your service today? 
 customer: I have to attend a Live Concert at Seattle, could you please help me with booking a flight ticket from HOU to SEA? 
 agent: Sure, I will help you in booking the ticket. May I know your travelling dates please? 
 customer: I would like to depart on Apr 4th and return on Apr 6th. 
 agent: Do you have any other specifications? 
 customer: I am looking for a connecting flight. 
 agent: Please help me with your name for booking. 
 customer: I am Nancy Scott. 
 agent: Sorry for this inconvenience, I could not find any flight with your requirements. 
 customer: Ok, not an issue. 
 agent: Thank you for reaching us. 
 customer: Anyways, thank you for the information.
[EX A]: no_flight

[EX Q]: customer: Hello. 
 agent: Hello. How can I help you? 
 customer: Can you aid me in booking a flight ticket from PHX to OAK? 
 agent: Sure, I will help you. Can you please share me your travelling dates? 
 customer: Sure, I would like to go on Feb 09th and return back on Feb 11th. 
 agent: Ok, please share me your name. 
 customer: Myself Nicole Collins. 
 agent: Ok, do you have any connection limit? 
 customer: Make sure it is a single connecting flight. 
 agent: As per your request, I found a flight for you with single connection and ticket fare is 200 in economy class. Shall I proceed for booking? 
 customer: Ok, please proceed for further. 
 agent: Your ticket is booked with flight number 1007 and airline is JetBlue. 
 customer: Thank you for booking. 
 agent: Welcome, have a safe flight.
[EX A]:
book