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
One 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.
Solution is here: no_reservation
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

Now, solve this: customer: Hello, my name is Timothy Mitchell. 
 agent: Hello. How may I be of your service? 
 customer: I would like to travel from New York to meet my old friend. Can you help me book a flight ticket under the price range of 1000? 
 agent:  Sure, we are mirthful to help you. Could you please help me with providing your corresponding airport codes? 
 customer: From JFK, I need to reach EWR. 
 agent: Do you prefer any halt in between journey? 
 customer: Yes, I prefer flight with one connection. 
 agent: May I know on what dates would you like to travel? 
 customer: They planned on 05/29 and 05/31. 
 agent: Thank you for providing your details, please wait for a while. 
 customer: Sure. 
 agent: We have found a connected flight with UA airlines, flight number 1029 and the fare of 100. 
 customer: Proceed for booking. 
 agent: Your ticket has been confirmed. 
 customer: Thank you for helping me. 
 agent: Thanks for reaching us.
Solution:
book