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 need to reserve my ticket from ATL to LAS. Can you please help me with booking? 
 agent: How can I assist you today? 
 customer: Thank you for considering my request. 
 agent: Sure, can you share me your travelling dates? 
 customer: I want to start my journey on Nov 20 and return back on Nov 22. 
 agent: Do you have any airline preference? 
 customer:  No, I ok with any airlines. 
 agent: Is there any other specifications? 
 customer: No, I din't have any other specifications. 
 agent: I need to know your name for booking a flight ticket? 
 customer: My name is Donald Collins. 
 agent: I found a flight with the price of 300 and 02 connections. Can I proceed to booking? 
 customer: I need to book my ticket in business class and the connection limit is 0. 
 agent: Sorry, no flights are found with 0 connection limit. 
 customer: Ok, no problem, anyway thank you for the information. 
 agent: Thank you for reaching us.
Student:
no_flight