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: Can you please help me to search a flight with 0 connection limit? 
 agent: Sure, I will help you with that, please share your airport codes? 
 customer: Thank you, the airport codes are from NY-LGA to IL-ORD. 
 agent: Ok, let me know your travelling dates? 
 customer: The travelling dates are 09/22 to 09/24. 
 agent: May I know your name please? 
 customer: Sure, my name is Catherine Rodriguez. 
 agent: Sorry Catherine, no flights as per your details. 
 customer: Ok, no problem. 
 agent: Thank you for reaching us. 
 customer: Thank you for your information.
[EX A]: no_flight

[EX Q]: customer: Hello, I am Kathleen Campbell. 
 agent: Hello, how can I help you today? 
 customer: I want to book a ticket from HOU to DFW to surprise my friend on her birthday. Can you please help me to book a ticket on 06/28? 
 agent: Sure, we are here to help you. May I know the return date of your journey? 
 customer: My return journey date is 06/30. 
 agent: May I know is there any connection limit? 
 customer: I need only one connection limit. 
 agent: Ok, please wait for a while. 
 customer: Ok. 
 agent: Thanks for waiting. Sorry for the inconvenience, we have a direct flight with AA airline. 
 customer: Ok, Do not proceed for booking. 
 agent: Ok. 
 customer: Thanks for your assistance. 
 agent: Thanks for choosing us.
[EX A]: no_flight

[EX Q]: customer: Hello. 
 agent: Hello, how can I help you today? 
 customer: Please help me in booking flight ticket from BOS to IAD. 
 agent: Sure, let me know your planned journey dates? 
 customer: My trip dates are Jan 20 to Jan 22. 
 agent: Do you have any connection limit? 
 customer: I need a connecting flight. 
 agent: Is there any other specifications? 
 customer: My depart should be in the evening. 
 agent: May I know your good name? 
 customer: Jonathan Harris. 
 agent: Thanks for your details, there is no flight found on your desired journey locations. 
 customer: Ok, no problem. Thank you. 
 agent: Thank you for availing us.
[EX A]:
no_flight