You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me in booking a flight ticket from Philadelphia, PHL to Washington, DCA?

ASSISTANT: Sure, may I know your travel dates?

USER: My journey dates are from Dec 15 to Dec 17.

ASSISTANT: Do you have any specifications?

USER: I need a connection in between journey.

ASSISTANT: Please share me your name.

USER: My name is Brandon Hall.

ASSISTANT: Flight-1015 is available with Hawaiian airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your help.