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 help you today? 
 customer: I am planning to for a heritage tour in PHX. Can you book me a ticket from AUS? 
 agent: Sure, can you share me your travelling dates? 
 customer: I will be leaving on Oct 25 and will come back on Oct 27. 
 agent: Do you have any connection limit? 
 customer: I need 1 stop over within my route. 
 agent: Is there any other specifications? 
 customer: No. 
 agent: May I know name please. 
 customer: I am Kevin Phillips. 
 agent: I found a flight with the price of 100 having one connection and economy class. Can I proceed to booking? 
 customer: Fine, please proceed. 
 agent: Your ticket is booked with the flight- 1008. 
 customer: Thanks for your support. 
 agent: Thank you for reaching us.
[EX A]: book

[EX Q]: customer: Hello, I am Brain Scott. 
 agent: Hello, How can I serve you? 
 customer: I want to cancel my recent reservation due to the ongoing tornado at my destination. Can you help me to cancel my recent reservation? 
 agent: Sure, I am mirthful to help you. Ok, wait for a minute. 
 customer: Sure. 
 agent: We found a reservation on your name, Shall I proceed with the cancellation? 
 customer: Ok, proceed. 
 agent: Your reservation has been cancelled. 
 customer: Thank you for your quick response. 
 agent: Thank you for opting us, Have a great day.
[EX A]: cancel

[EX Q]: customer: Hello. 
 agent: Hello. How can I help you today? 
 customer: I want the flight with 0 connection limit. Can you please help me out? 
 agent: Sure, I can check that for you. May I know your name to proceed further? 
 customer: Sure, my name is Samuel Baker. 
 agent: Could you please provide the airport codes? 
 customer: The airport codes are from IAD to OAK. 
 agent: Can you please share your preferable travel dates? 
 customer: The travel dates are from 05/23 to 05/25. Make sure that the price should not be more than 5000. 
 agent: Ok, please allow me a moment to check for the availability of flight. 
 customer: Sure, take your time. 
 agent: Your patience is greatly appreciated. Samuel, I am sorry to inform you that there is no flight available at your requested dates. 
 customer: Ok, no problem. I will check another flight to complete by trip. 
 agent: Thank you for contacting us. 
 customer: Thank you for your information. 
 agent: You are welcome.
[EX A]:
no_flight