You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you?

USER: I am Laura Hill. Can you help me in booking a flight ticket from DEN to PHL?

ASSISTANT: Sure, may I know your travel dates?

USER: I want to travel on 04/11, and need to catch return flight on 04/13.

ASSISTANT: Do you have any preferences?

USER: I prefer a economy class, and need a connecting flight.

ASSISTANT: We found an airline JetBlue with flight 1000 having a fare 100 with halt. Shall I proceed?

USER: Proceed with the booking.

ASSISTANT: Your booking has been done.

USER: Thanks for the help.

ASSISTANT: Thank you.