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 may I assist you today? 
 customer: Due to some problems my trip was cancelled so can you please cancel my flight ticket? 
 agent: Sure, may I know your name? 
 customer: Sure, my name is Edward Brown. 
 agent: Sorry, there is no active reservation on your name. 
 customer: Oh! It's ok, no problem. Thank you for your information. 
 agent: Thank you.
[EX A]: no_reservation

[EX Q]: customer: Hi. 
 agent: Hello. How can I help you now? 
 customer: I am Carol Baker. 
 agent: Ok. 
 customer: Can you help me to book a flight from IAD to ATL? 
 agent: Sure, can you please mention the travelling dates of your journey? 
 customer: My trip dates are 04/15 and 04/17. 
 agent: Ok, please wait for a while. 
 customer: Sure. 
 agent: Sorry Carol, there are no flights found on your requested dates. 
 customer: Oh! ok. 
 agent: Thank you for approaching us, have a nice day. 
 customer: Thank you for your time. 
 agent: You are welcome.
[EX A]: no_flight

[EX Q]: customer: Hello. I am Emily Carter. 
 agent: Hello, how can I support you today? 
 customer: I made a reservation earlier this week to give a seminar, but my seminar has been postponed. Can you aid me to change it? 
 agent: Sure, please give me a minute. 
 customer: Sure. 
 agent: Thanks for your time, we are sorry to inform you that no reservation was found based on your name. 
 customer: Ok, not an issue. Thanks for your assistance. 
 agent: Thank you for choosing us.
[EX A]:
no_reservation