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
Example: customer: Hi. 
 agent: Hello. How can I help you? 
 customer: I would like to change my existing reservation as my plan to go for a holiday trip got postponed. Can you please help me with this? 
 agent: Sure, may I know your name please? 
 customer: My name is Anthony Phillips. 
 agent: Please wait a moment. 
 customer: Sure. 
 agent: Unfortunately there is no reservation found with your given name. 
 customer: Not a problem, thank you for checking. 
 agent: Thank you for choosing us.
Example solution: no_reservation
Example explanation: Here the customer has not asked for any booking, he just wanted to update his already booked flight, so the status would be no_reservation

Problem: customer: Hi. 
 agent: Hello, how may I be your helping hand? 
 customer: I want a direct flight to Space centre Houston. Can you book a flight with price limit 5000? 
 agent: Sure, May I know your name please? 
 customer: My airport codes are from OAK to IAH. You can call me George White. 
 agent: Ok, may I know your arrival and depart dates? 
 customer: My journey dates are from 03/08 to 03/10. 
 agent: Thank you, please wait for am moment. 
 customer: Ok, take your time. 
 agent: Do you have any connection limit? 
 customer: No. 
 agent: Okay, we found a flight with 2 connections on UA airline. Are you okay with UA airline? 
 customer: Not ok with that. Thank you for your kind information. 
 agent: Thank you, have a great day.
Solution: no_flight