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

customer: Hello. 
 agent: Hello, How can I assist you today? 
 customer: Ryan Edwards is here. 
 agent: Ok. 
 customer: I am planning to attend religious festival with my family members in Seattle WA-SEA.Can you please help me in booking a flight ticket? 
 agent: Sure. May I have your travelling dates? 
 customer: My travelling dates are 05/27 and 05/29. 
 agent: Ok. Please share the boarding point. 
 customer: My boarding point is Dallas & Fort Worth TX-DFW. 
 agent: Ok. Are you willing to travel with a connecting flight? 
 customer: I need a flight with one connection. 
 agent: Thanks for sharing the details, please wait. 
 customer: Sure. 
 agent: Based on your request, we found couple of connections on respective dates of travel. 
 customer: Do not proceed. 
 agent: Ok. 
 customer: Thank you. 
 agent: Thank you.
no_reservation