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 may I help you? 
 customer: Myself Mark Brown here. I  need to fly Las Vegas for my college admission, could you please help me in booking my flight ticket from ATL to LAS? 
 agent: Sure, can you please let me know your journey dates that you wish to travel? 
 customer: My travel dates are 11/11 and 11/13. 
 agent: Do you need a flag stop in between your journey? 
 customer: I need a connecting flight. 
 agent: May I know how much do you want to spend on flight ticket? 
 customer:  I can spend upto 500. 
 agent: Please wait for a while. 
 customer: OK. 
 agent: We found a flight in Southwest airlines, flight number is 1005 with one connection price is 100. Shall I proceed? 
 customer: Ok, you can proceed. 
 agent: Ok, your ticket has been confirmed in economy class. 
 customer:  Thank you for booking. 
 agent: Thank you for opting us.
[A]: book


[Q]: customer: Hi. 
 agent: Hello. How may I render you at this moment? 
 customer: Can you please help me with cancelling my recent reservation? 
 agent: Sure, may I know your good name please? 
 customer: My name is Gregory Jackson. 
 agent: OK, please wait for few minutes. 
 customer: Ok. 
 agent: There is no recent reservation found on your name in our records. 
 customer: That's ok, thank you. 
 agent: Thank you for reaching us.
[A]: no_reservation


[Q]: customer: Hi. 
 agent: Hello, how can I serve you today? 
 customer: Can you please help me in booking a flight ticket to DFW from LAS? 
 agent: Sure, we are here to assist you. 
 customer: Thank you. 
 agent: May I know your planned journey dates? 
 customer: My travel dates are from Aug 13 to Aug 15. 
 agent: Do you need any break in your journey? 
 customer: I need a connecting flight. 
 agent: Is there any specific time to travel? 
 customer: No, I do not have any other preferences. 
 agent: May I know your name please? 
 customer: I am Donna Allen. 
 agent: We found a connecting flight with fare of 100 and 1029 flight number. Shall I proceed? 
 customer: You can proceed. 
 agent: Your seat has been reserved with Southwest airline in economy class. 
 customer: Thank you. 
 agent: Thank you for choosing us.
[A]:
book