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 support you today? 
 customer: I am Kimberly Green. I want to book a flight ticket from IAH to IAD. Can you find a flight ticket for me? 
 agent: Sure, we are here to make a reservation for you. Please share your planned journey dates. 
 customer: Thank you, my itinerary dates are on 11/13 and return on 11/15. 
 agent: Ok, Is there any halt? 
 customer: Yes, I need one connecting flight. 
 agent: Ok, please wait. 
 customer: Ok, take your time. 
 agent: Thanks for your time, there were no flights found based on your requested dates. 
 customer: It's ok, not a problem with that. Anyways thank you for your help. 
 agent: Thank you for availing us.
[A]: no_flight


[Q]: customer: Hello. 
 agent: Hello. 
 customer: Donald Scott here,. 
 agent: How may I help you? 
 customer: I want to cancel my ticket due to snow storm in my place. 
 agent: Donald Scott, I am willing to help you for this. Let me check your reservation status in our database. 
 customer: Ok. 
 agent: Donald Scott sorry to intimate, I found a reservation and cancelled sucessfully with your criteria. 
 customer: Thank you. 
 agent: You are most welcome, thank you very much for utilizing our agency.
[A]: cancel


[Q]: customer: Hi. 
 agent: Hello. 
 customer: I am Charles Martin. 
 agent: How can I assist you today? 
 customer: I need to cancel my reservation, can you help me out? 
 agent: Sure, will you please give me a moment? 
 customer: Sure. 
 agent: Thanks for waiting, there is no reservation found under your name. 
 customer: That's ok, thank you for your information. 
 agent: Welcome, have a great day.
[A]:
no_reservation