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: Hello. 
 agent: Hello. How can I assist you today? 
 customer: I am Daniel White. I want to book a ticket from PHX to MCO to attend my friend's birthday party, can you help me in booking? 
 agent: Sure, can you please share your travel dates? 
 customer: I am departing on Sep 07 and return on Sep 09. 
 agent: Do you have any class preference? 
 customer: I am ok with any class, but I need a flight with connection limit 0. 
 agent: Sure. Daniel White, there is a flight available with price 200 and the connection is 0 with Hawaiian airline. Would you like me to proceed with the booking? 
 customer: Please proceed for booking. 
 agent: Your booking is confirmed with departure time 13:00 PM, arrival time 21:00 PM and the flight number is 1025. 
 customer: Thank you for your help. 
 agent: You are welcome. Thank you for reaching us.
[EX A]: book

[EX Q]: customer: Hello. 
 agent: Hello. How can I help you? 
 customer: I have planned to book a flight on June 14th, so please help me in booking a flight. 
 agent: Sure, may I know your airport codes please? 
 customer: My airport codes are LAS - BOS. 
 agent: Your return journey date please? 
 customer: I intend to return on 16th June. 
 agent: Do you have any specifications? 
 customer: I would like to depart in morning time. 
 agent: Any thing else? 
 customer: I prefer an economy class. 
 agent: May I know your name please? 
 customer: Sure, my name is Daniel Moore. 
 agent: I am sorry no flights found your route. 
 customer: No worries, thank you. 
 agent: Thank you for choosing us.
[EX A]: no_flight

[EX Q]: customer: Hi. 
 agent: Hello. How can I help you today? 
 customer:  I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me? 
 agent: Sure, I am here to help you with that, can I know your good name to proceed further? 
 customer: Amy Martinez here. 
 agent:  I have checked in reservation list to cancel your ticket, but could not find any reservation with your name. 
 customer: No issue, thanks for the information. 
 agent: Thank you for reaching us.
[EX A]:
no_reservation