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

customer: Hello. 
 agent: Hello. How may I help you? 
 customer: Could you please help me in flight ticket booking process from ORD to MSP? 
 agent: Sure, can you please tell me your trip dates? 
 customer: Thank you for your response, I want to take off on Nov 11 and book my return ticket also on Nov 13. 
 agent: Do you have any other requirements? 
 customer: I will prefer 1 break in between my journey. 
 agent: Ok, please wait a minute. Thank you for waiting and we have found a flight in economy class with 1 connection in Frontier airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight? 
 customer: Please confirm this flight ticket on my name Kathleen Thomas. 
 agent: Your ticket is booked in 1001 flight. 
 customer: Thank you. 
 agent: Most welcome.
book

customer: Hi,. 
 agent: Hello, how can I aid you today? 
 customer: I am Andrew Hill. I want to know about ticket availability to DEN from PHX. Will you please give the information? 
 agent: Sure, we are here to help you. Can you please provide your journey dates? 
 customer: Yeah. My journey dates are 12/26 and 12/28. 
 agent: Ok, please wait a moment. I will check the availability. 
 customer: OK. 
 agent: Thanks for your time. There is a flight with airline JetBlue and airline number is 1026. Fare of ticket is 200 with one connection. Shall I proceed with this booking? 
 customer: You can proceed. 
 agent: Your ticket has been reserved. Thank you for connecting wit us. Have a safe journey.
book

customer: Hi. 
 agent: Hello, how can I assist you? 
 customer: I would like to book a ticket from LAS to DFW, can you please help me with that? 
 agent: Sure, may I know the travelling dates? 
 customer: The travel dates are from 05/27 to 05/29. 
 agent: Do you have any connection limit? 
 customer: I need a flight with 1 connection limit. 
 agent: Is there any other requirements? 
 customer: No. 
 agent: May I know your name? 
 customer: Ryan Edwards here. 
 agent: Please wait a minute. 
 customer: Ok. 
 agent: The economy class with flight number 1017 of American airline is available having fare as 300 and connection as 1, is it ok for you? 
 customer: Please proceed. 
 agent: Your ticket has been booked. 
 customer: Thank you. 
 agent: Thank you for opting us.
book