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: Hi,. I am Emily Jones. 
 agent: Hello, how can I help you? 
 customer: Can you please make a flight reservation on 07/19 and return on 07/21? 
 agent: Sure, please help me with your journey codes for further process. 
 customer: My location codes are SEA - PHX. 
 agent: Ok, do you need any connection in between the journey? 
 customer: I need a connecting flight. 
 agent: Thank you for providing your details. 
 customer: Ok. 
 agent: We found a flight with number 1016 and airline Spirit at a price of 600 with 1 connection. Shall I proceed? 
 customer: Do not proceed, my fare is 200. 
 agent: Ok. 
 customer: Thanks for your service. 
 agent: Thank you for reaching us, have a nice day.
no_reservation