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 assist you? 
 customer: Gary King here, I want to travel from LAX to LAS to meet my friend on her birthday. 
 agent: Ok, Do you need a stopover in between? 
 customer: I need one stopover in between my journey. 
 agent: Please share your travel dates. 
 customer: 10/12 to 10/14. 
 agent: Ok, please wait. There is an UA airline with flight number 1024 is available for you on your requested dates. Shall I proceed with this booking? 
 customer: Yes, you can proceed. 
 agent: Your booking has been done. 
 customer: Thank you. 
 agent: Thank you for choosing us.
book

customer: Hello. 
 agent: Hello, how can I help you today? 
 customer: I am Steven Campbell, I am looking for a flight under fare of 500 to meet my mother at Orlando. 
 agent: Sure, kindly mention your travel dates? 
 customer: I will fly on 08/04 and return on 08/06. 
 agent: Can you please provide me your airport codes? 
 customer: I will fly from WA-SEA to FL-MCO. 
 agent: Ok, please wait a moment. 
 customer: Sure. 
 agent: There is a flight with your requirement, airline is JetBlue with price 100 and a single connection. 
 customer: Please proceed with booking. 
 agent: Shall I proceed with booking? 
 customer: Sure. 
 agent: Your booking is done and flight number is 1001. 
 customer: Thank you for helping me. 
 agent: Thanks for reaching us, have a good day.
book

customer: Hello. 
 agent: Hello. How can I assist you today? 
 customer: Joshua Evans here. 
 agent: Ok. 
 customer: I want to change my existing reservation, can you help me? 
 agent: Sure, will you please give me a moment? 
 customer: Ok, I will wait for your response. 
 agent: Thanks for waiting, there is no reservation found under your name. 
 customer: Thank you for the information. 
 agent: Welcome, have a great day.
no_reservation