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, I am Lisa Young. 
 agent: Hello, how can I assist you? 
 customer: I want to visit Lake Harriet at MSP, can you please book a ticket for me? 
 agent: Sure. Can you please provide the travelling dates? 
 customer: I intend to travel on 08/12 to 08/14. 
 agent: Do you have any limitations? 
 customer: Price 5000. I need 1 connection. 
 agent: Please share your airport codes. 
 customer: Origin: DFW. 
 agent: Thanks for the information. We did not found any flights matching your criterion. 
 customer: Ok. Thank you. 
 agent: Thanks for choosing us.
no_flight

customer: Hello. 
 agent: Hello. 
 customer: My name is Michelle Garcia. 
 agent: How may I help you? 
 customer: I would like to travel from CLT to DFW, could you help me out? 
 agent: Sure, please share your travel date. 
 customer: My preferable dates are from 08/10 to 08/12. 
 agent: Sorry, there are flights available for the given schedule. 
 customer: That's ok. 
 agent: Thank you for reaching us. 
 customer: Thank you for your time.
no_flight

customer: Hi. 
 agent: Hello. What can I do for you now? 
 customer: Due to the sudden demise of my Granny, I am unable to catch a flight. 
 agent: Ok. 
 customer: So I had a request to you to cancel my existing reservation? 
 agent: Sure, I will cancel your reservation. For this I want to know your name. 
 customer: Sure, my name is Ronald Rodriguez. 
 agent: Give a minute, I will get back to you. 
 customer: Sure. 
 agent: Thanks for waiting. You have no reservation found with  your name. 
 customer: Ok, no problem. 
 agent: Thank you for approaching us. 
 customer: Thanks for your valuable information. 
 agent: Have a pleasant day.
no_reservation