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? Solve this instance: customer: Hello. 
 agent: Hello. How may I help you? 
 customer: I want to travel from PHL to MCO. Please help me in booking my ticket. 
 agent: Sure, I am happy to help you. Can you please provide me your travel dates? 
 customer: Thank you and my travelling dates are from 06/14 to 06/16. 
 agent: Ok, do you have any preferences? 
 customer: I need a connecting flight and I am looking for economy class as well. 
 agent: May I know your name? 
 customer: My name is Ryan White. 
 agent: Ok, please wait for a while. 
 customer: Sure. 
 agent: Flight-1004 is available as per your requirements and the ticket fare is 100 only. Can I book the ticket for you? 
 customer: Please book this ticket for me. 
 agent: Your ticket is booked in economy class with the flight-1004. 
 customer: Thank you for your help. 
 agent: You are welcome and thank you for choosing us.
Student:
book