Detailed Instructions: 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
Problem:customer: Hi. I am Jennifer Hall. 
 agent: Hello, how can I support you today? 
 customer: Could you please assist me in making an airline reservation from PHX to MCO? 
 agent: Sure, I am here to help you. May I know your journey dates please? 
 customer: My depart will be on Aug 14th and arrive on Aug 16th. 
 agent: Do you prefer any lay by in between your journey? 
 customer: Yes, I need a lay by. 
 agent: Do you have any class preference? 
 customer: No. 
 agent: Is there any other requirements to meet? 
 customer: The depart time should be afternoon. 
 agent: Thanks for your details, please wait. 
 customer: Sure. 
 agent: Thank you for waiting, no flights were found based on your schedule. 
 customer: Ok, no worries at all. Thank you. 
 agent: Thank you for choosing us.
Solution:
no_flight