You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Debra Robinson. I need to meet my friend at Las Vegas, NV-LAS on 03/04. Could you please help me with booking a flight ticket from Philadelphia, PA-PHL?

ASSISTANT: Sure, Please let me know your planned dates.

USER: Sure, I intend to return on 03/06.

ASSISTANT: There is a connecting flight with price 200, flight number is 1021. Would you like to book?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed with Hawaiian airlines.

USER: Thank you for your help.

ASSISTANT: Thank you.