Teacher: 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
Teacher: Now, understand the problem? If you are still confused, see the following 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: no_reservation
Reason: 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 instance: customer: Hello. 
 agent: Hello. 
 customer: I am Kenneth Carter. 
 agent: How may I be at your service, Kenneth Carter? 
 customer: I want to meet my grandparents who are staying at New York, EWR. 
 agent: Ok. 
 customer: Can you help me in booking a flight ticket on 12/04? 
 agent: Sure, I am perky to help you. On which date you want to return? 
 customer: I will be return on 12/06. 
 agent: What is your source point? 
 customer: I am boarding at Washington, IAD. 
 agent: Are you having any preferences? 
 customer: I need 1 connecting flight. 
 agent: Ok, please hold on. Thanks for waiting. 
 customer: Ok. 
 agent: You have 1029 flight with 1 connection of price 100 in Southwest airline. 
 customer: Ok, You can proceed. 
 agent: Ticket has been reserved with your name. 
 customer: Thanks for your assistance. 
 agent: Thank you for availing us.
Student:
book