You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: i am Deborah Young. i would like to book a flight ticket from EWR to PHL. Could you please help me out?

ASSISTANT: Sure, can I know your preferable dates?

USER: I am planning to start on 05/16 and return back on 05/18.

ASSISTANT: I found a flight 1015 of Southwest airlines matches with your preferences, can I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you, have a good day.