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 can I assist you? 
 customer: I want to travel from HOU to AUS. Can you please help me for booking? 
 agent: Sure, I will help you. Your good name please? 
 customer: Sure, my name is James Carter. 
 agent: Could you please share your planned journey dates? 
 customer: My planned journey dates are 10 and 12 on the month of March. 
 agent: Let me know your connection limit. 
 customer: I need a connected flight. 
 agent: Which class would you prefer for your journey? 
 customer: I am fine with any class. 
 agent: Do you have any other preferences? 
 customer: My depart time is evening. 
 agent: Give me a minute, I will let you know the flight availability. 
 customer: Sure. 
 agent: Thank you for your time, there were no flights available that matches your requirements. 
 customer: Ok, thanks for your assistance. 
 agent: Thank you for approaching us.
[A]: no_flight


[Q]: customer: Hello,. 
 agent: Hello, how can I help you? 
 customer: Can you please help me in booking my flight ticket from DCA to EWR? 
 agent: Sure, may I know your travelling dates? 
 customer: My planned travel dates are April 01-03. 
 agent: Do you have any connection limit? 
 customer: I prefer to fly in connected flight. 
 agent: Any other preferences? 
 customer: I am looking for not to fly in low cost airlines. 
 agent: May I know your name? 
 customer: Stephanie Hernandez is my name. 
 agent: Sorry, there are no flights found with your details. 
 customer: Ok, no issues. Thank you for your service. 
 agent: Thank you.
[A]: no_flight


[Q]: customer: Hello. 
 agent: Hello, how can I help you today? 
 customer: Myself Paul Gonzalez. I am planning to meet my friend at Dallas, will you help me in booking the flight ticket from DCA to DFW? 
 agent: Sure, we are here to help you. Can you share me your travelling dates to book a flight ticket? 
 customer: My preferable journey dates are May 05 and May 07. 
 agent: How much you can afford for your ticket? 
 customer: As, my budget is low I can afford only up to 200. 
 agent: Do you prefer any economy class or business class? 
 customer: I am comfortable with any class. I need a flight with single connection. 
 agent: Ok, wait for some time I will check the availability of flights on your details and get back to you. 
 customer: Ok, I will wait for your response. 
 agent: Thanks for waiting there are no flights found on your details. 
 customer: Ok, not an issue. Thank you for your information. 
 agent: Thanks for approaching us.
[A]:
no_flight