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: Hi. 
 agent: Hello,. 
 customer: I am Carolyn Lopez. 
 agent: How can I assist you? 
 customer: I want to attend a pagan festival at Philadelphia. Can you help me in my booking? 
 agent: Sure, may I know your trip dates please? 
 customer: My journey dates are from 01/03 to 01/05. 
 agent: Let me know your airport codes please? 
 customer: My airport codes are from EWR to PHL. 
 agent: Do you need any other requirements to be met? 
 customer: I can pay up to 500. 
 agent: Thanks for your details, there is a connecting flight with 1015 flight number of fare 100 from an airline UA. 
 customer: Proceed with my booking. 
 agent: Your flight ticket has been booked. 
 customer: Thank you for your help. 
 agent: Thank you.
Student:
book