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. 
 agent: Hello, how can I assist you today? 
 customer:  I am Pamela Gonzalez. I want to cancel my recent reservation, because I want to travel  with my friends by road. Can you help me in cancelling? 
 agent: Sure, please wait for a moment. 
 customer: Ok. 
 agent: Sorry to say that, no reservation was found with your good name. 
 customer: Thank you for your help. 
 agent: Thank you for reaching us.
[A]: no_reservation


[Q]: customer: Hi, myself Jack Thomas. 
 agent: Hello Jack, how may I help you? 
 customer: I need your help in booking my flight ticket from ATL to IAD, can you please help me? 
 agent: Sure, I can help you. May I know your journey dates? 
 customer: Sure, I would like to depart on 01/17 and return on 01/19. 
 agent: Please give me a moment. 
 customer: Sure. 
 agent: Spirit airlines with flight 1015 is available on your route. 
 customer: That's fine for my journey, you can proceed for booking the ticket. 
 agent: Your ticket is reserved. 
 customer: Thank you very much for your help. 
 agent: Thank you for choosing us.
[A]: book


[Q]: customer: Hi. 
 agent: Hello, how may I be your helping hand? 
 customer: I want a direct flight to Space centre Houston. Can you book a flight with price limit 5000? 
 agent: Sure, May I know your name please? 
 customer: My airport codes are from OAK to IAH. You can call me George White. 
 agent: Ok, may I know your arrival and depart dates? 
 customer: My journey dates are from 03/08 to 03/10. 
 agent: Thank you, please wait for am moment. 
 customer: Ok, take your time. 
 agent: Do you have any connection limit? 
 customer: No. 
 agent: Okay, we found a flight with 2 connections on UA airline. Are you okay with UA airline? 
 customer: Not ok with that. Thank you for your kind information. 
 agent: Thank you, have a great day.
[A]:
no_flight