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 input: 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 output: 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
Q: customer: Hi. Myself Jonathan Taylor. 
 agent: Hello, how may I support you today? 
 customer: I am planning for a trip with my family, can you help me with booking ticket from my departure in the afternoon time from JFK? 
 agent: Sure, please share me your destination airport code? 
 customer: Ok, my destination is LAX. 
 agent: May I know your planned journey dates? 
 customer: Fine, my planned dates are from Sept 17 to 19. 
 agent: Do you want any connection in between your flight journey? 
 customer: Yes, I need a connecting flight in a business class. 
 agent: Do you have any other preferences? 
 customer: No. 
 agent: Thank you for the details, sorry there is no flight found on your given journey data. 
 customer: It's ok, thanks for your information. 
 agent: Thank you for reaching us, we hope see you again.
A:
no_flight